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authorGravatar wm4 <wm4@nowhere>2013-06-25 00:43:04 +0200
committerGravatar wm4 <wm4@nowhere>2013-06-25 00:43:04 +0200
commit403a266d466850621397c07e0b96cc2c493b2936 (patch)
tree0835a0908b3df8cca8374d173c34e0bf7df7d842 /sub
parent536871d7e5848eb385b97202a33b9382b5e8ab0e (diff)
parent54851d60614e912fc422658302d72811a31b80f8 (diff)
Merge branch 'sub_mess2'
...the return.
Diffstat (limited to 'sub')
-rw-r--r--sub/ass_mp.c29
-rw-r--r--sub/ass_mp.h3
-rw-r--r--sub/dec_sub.c331
-rw-r--r--sub/dec_sub.h2
-rw-r--r--sub/sd_ass.c55
-rw-r--r--sub/sd_lavc_conv.c2
-rw-r--r--sub/sd_lavf_srt.c94
-rw-r--r--sub/sd_movtext.c3
-rw-r--r--sub/sub.c1
-rw-r--r--sub/subreader.c1618
-rw-r--r--sub/subreader.h79
11 files changed, 384 insertions, 1833 deletions
diff --git a/sub/ass_mp.c b/sub/ass_mp.c
index 258dd57688..5e87223041 100644
--- a/sub/ass_mp.c
+++ b/sub/ass_mp.c
@@ -33,7 +33,6 @@
#include "core/mp_msg.h"
#include "core/path.h"
#include "ass_mp.h"
-#include "subreader.h"
#include "sub/sub.h"
#include "stream/stream.h"
#include "core/options.h"
@@ -113,34 +112,6 @@ ASS_Track *mp_ass_default_track(ASS_Library *library, struct MPOpts *opts)
return track;
}
-ASS_Track *mp_ass_read_stream(ASS_Library *library, const char *fname,
- char *charset)
-{
- ASS_Track *track;
-
- struct stream *s = open_stream(fname, NULL, NULL);
- if (!s)
- // Stream code should have printed an error already
- return NULL;
- struct bstr content = stream_read_complete(s, NULL, 100000000, 1);
- if (content.start == NULL)
- mp_tmsg(MSGT_ASS, MSGL_ERR, "Refusing to load subtitle file "
- "larger than 100 MB: %s\n", fname);
- free_stream(s);
- if (content.len == 0) {
- talloc_free(content.start);
- return NULL;
- }
- content.start[content.len] = 0;
- track = ass_read_memory(library, content.start, content.len, charset);
- if (track) {
- free(track->name);
- track->name = strdup(fname);
- }
- talloc_free(content.start);
- return track;
-}
-
void mp_ass_configure(ASS_Renderer *priv, struct MPOpts *opts,
struct mp_osd_res *dim)
{
diff --git a/sub/ass_mp.h b/sub/ass_mp.h
index 9f40b34166..c0fba934eb 100644
--- a/sub/ass_mp.h
+++ b/sub/ass_mp.h
@@ -25,7 +25,6 @@
#include <stdbool.h>
#include "config.h"
-#include "subreader.h"
// This is probably arbitrary.
// sd_lavc_conv might indirectly still assume this PlayResY, though.
@@ -50,8 +49,6 @@ void mp_ass_set_style(ASS_Style *style, int res_y, struct osd_style_opts *opts);
void mp_ass_add_default_styles(ASS_Track *track, struct MPOpts *opts);
ASS_Track *mp_ass_default_track(ASS_Library *library, struct MPOpts *opts);
-ASS_Track *mp_ass_read_stream(ASS_Library *library, const char *fname,
- char *charset);
struct MPOpts;
void mp_ass_configure(ASS_Renderer *priv, struct MPOpts *opts,
diff --git a/sub/dec_sub.c b/sub/dec_sub.c
index b72630470c..a1392017a2 100644
--- a/sub/dec_sub.c
+++ b/sub/dec_sub.c
@@ -18,16 +18,17 @@
#include <stdlib.h>
#include <stdbool.h>
+#include <string.h>
#include <assert.h>
#include "config.h"
-#include "demux/stheader.h"
+#include "demux/demux.h"
#include "sd.h"
#include "sub.h"
#include "dec_sub.h"
-#include "subreader.h"
#include "core/options.h"
#include "core/mp_msg.h"
+#include "core/charset_conv.h"
extern const struct sd_functions sd_ass;
extern const struct sd_functions sd_lavc;
@@ -35,6 +36,7 @@ extern const struct sd_functions sd_spu;
extern const struct sd_functions sd_movtext;
extern const struct sd_functions sd_srt;
extern const struct sd_functions sd_microdvd;
+extern const struct sd_functions sd_lavf_srt;
extern const struct sd_functions sd_lavc_conv;
static const struct sd_functions *sd_list[] = {
@@ -46,6 +48,7 @@ static const struct sd_functions *sd_list[] = {
&sd_movtext,
&sd_srt,
&sd_microdvd,
+ &sd_lavf_srt,
&sd_lavc_conv,
NULL
};
@@ -56,10 +59,18 @@ struct dec_sub {
struct MPOpts *opts;
struct sd init_sd;
+ double video_fps;
+ const char *charset;
+
struct sd *sd[MAX_NUM_SD];
int num_sd;
};
+struct packet_list {
+ struct demux_packet **packets;
+ int num_packets;
+};
+
struct dec_sub *sub_create(struct MPOpts *opts)
{
struct dec_sub *sub = talloc_zero(NULL, struct dec_sub);
@@ -102,6 +113,11 @@ void sub_set_video_res(struct dec_sub *sub, int w, int h)
sub->init_sd.sub_video_h = h;
}
+void sub_set_video_fps(struct dec_sub *sub, double fps)
+{
+ sub->video_fps = fps;
+}
+
void sub_set_extradata(struct dec_sub *sub, void *data, int data_len)
{
sub->init_sd.extradata = data_len ? talloc_memdup(sub, data, data_len) : NULL;
@@ -120,74 +136,12 @@ static void print_chain(struct dec_sub *sub)
mp_msg(MSGT_OSD, MSGL_V, "Subtitle filter chain: ");
for (int n = 0; n < sub->num_sd; n++) {
struct sd *sd = sub->sd[n];
- mp_msg(MSGT_OSD, MSGL_V, "%s%s (%s)", n > 0 ? " -> " : "",
+ mp_msg(MSGT_OSD, MSGL_V, "%s%s (%s)", n > 0 ? " -> " : "",
sd->driver->name, sd->codec);
}
mp_msg(MSGT_OSD, MSGL_V, "\n");
}
-// Subtitles read with subreader.c
-static void read_sub_data(struct dec_sub *sub, struct sub_data *subdata)
-{
- assert(sub_accept_packets_in_advance(sub));
- char *temp = NULL;
-
- struct sd *sd = sub_get_last_sd(sub);
-
- sd->no_remove_duplicates = true;
-
- for (int i = 0; i < subdata->sub_num; i++) {
- subtitle *st = &subdata->subtitles[i];
- // subdata is in 10 ms ticks, pts is in seconds
- double t = subdata->sub_uses_time ? 0.01 : (1 / subdata->fallback_fps);
-
- int len = 0;
- for (int j = 0; j < st->lines; j++)
- len += st->text[j] ? strlen(st->text[j]) : 0;
-
- len += 2 * st->lines; // '\N', including the one after the last line
- len += 6; // {\anX}
- len += 1; // '\0'
-
- if (talloc_get_size(temp) < len) {
- talloc_free(temp);
- temp = talloc_array(NULL, char, len);
- }
-
- char *p = temp;
- char *end = p + len;
-
- if (st->alignment)
- p += snprintf(p, end - p, "{\\an%d}", st->alignment);
-
- for (int j = 0; j < st->lines; j++)
- p += snprintf(p, end - p, "%s\\N", st->text[j]);
-
- if (st->lines > 0)
- p -= 2; // remove last "\N"
- *p = 0;
-
- struct demux_packet pkt = {0};
- pkt.pts = st->start * t;
- pkt.duration = (st->end - st->start) * t;
- pkt.buffer = temp;
- pkt.len = strlen(temp);
-
- sub_decode(sub, &pkt);
- }
-
- // Hack for broken FFmpeg packet format: make sd_ass keep the subtitle
- // events on reset(), even though broken FFmpeg ASS packets were received
- // (from sd_lavc_conv.c). Normally, these events are removed on seek/reset,
- // but this is obviously unwanted in this case.
- if (sd && sd->driver->fix_events)
- sd->driver->fix_events(sd);
-
- sd->no_remove_duplicates = false;
-
- talloc_free(temp);
-}
-
static int sub_init_decoder(struct dec_sub *sub, struct sd *sd)
{
sd->driver = NULL;
@@ -230,8 +184,6 @@ void sub_init_from_sh(struct dec_sub *sub, struct sh_sub *sh)
// Try adding new converters until a decoder is reached
if (sd->driver->get_bitmaps || sd->driver->get_text) {
print_chain(sub);
- if (sh->sub_data)
- read_sub_data(sub, sh->sub_data);
return;
}
init_sd = (struct sd) {
@@ -249,32 +201,245 @@ void sub_init_from_sh(struct dec_sub *sub, struct sh_sub *sh)
sh->gsh->codec ? sh->gsh->codec : "<unknown>");
}
-bool sub_accept_packets_in_advance(struct dec_sub *sub)
+static struct demux_packet *get_decoded_packet(struct sd *sd)
{
- // Converters are assumed to always accept packets in advance
- struct sd *sd = sub_get_last_sd(sub);
- return sd && sd->driver->accept_packets_in_advance;
+ return sd->driver->get_converted ? sd->driver->get_converted(sd) : NULL;
}
-static void decode_next(struct dec_sub *sub, int n, struct demux_packet *packet)
+static void decode_chain(struct sd **sd, int num_sd, struct demux_packet *packet)
{
- struct sd *sd = sub->sd[n];
- sd->driver->decode(sd, packet);
- if (n + 1 >= sub->num_sd || !sd->driver->get_converted)
+ if (num_sd == 0)
return;
- while (1) {
- struct demux_packet *next =
- sd->driver->get_converted ? sd->driver->get_converted(sd) : NULL;
- if (!next)
- break;
- decode_next(sub, n + 1, next);
+ struct sd *dec = sd[0];
+ dec->driver->decode(dec, packet);
+ if (num_sd > 1) {
+ while (1) {
+ struct demux_packet *next = get_decoded_packet(dec);
+ if (!next)
+ break;
+ decode_chain(sd + 1, num_sd - 1, next);
+ }
+ }
+}
+
+static struct demux_packet *recode_packet(struct demux_packet *in,
+ const char *charset)
+{
+ struct demux_packet *pkt = NULL;
+ bstr in_buf = {in->buffer, in->len};
+ bstr conv = mp_iconv_to_utf8(in_buf, charset, MP_ICONV_VERBOSE);
+ if (conv.start && conv.start != in_buf.start) {
+ pkt = talloc_ptrtype(NULL, pkt);
+ talloc_steal(pkt, conv.start);
+ *pkt = (struct demux_packet) {
+ .buffer = conv.start,
+ .len = conv.len,
+ .pts = in->pts,
+ .duration = in->duration,
+ .avpacket = in->avpacket, // questionable, but gives us sidedata
+ };
+ }
+ return pkt;
+}
+
+static void decode_chain_recode(struct dec_sub *sub, struct sd **sd, int num_sd,
+ struct demux_packet *packet)
+{
+ if (num_sd > 0) {
+ struct demux_packet *recoded = NULL;
+ if (sub->charset)
+ recoded = recode_packet(packet, sub->charset);
+ decode_chain(sd, num_sd, recoded ? recoded : packet);
}
}
void sub_decode(struct dec_sub *sub, struct demux_packet *packet)
{
- if (sub->num_sd > 0)
- decode_next(sub, 0, packet);
+ decode_chain_recode(sub, sub->sd, sub->num_sd, packet);
+}
+
+static const char *guess_sub_cp(struct packet_list *subs, const char *usercp)
+{
+ if (!mp_charset_requires_guess(usercp))
+ return usercp;
+
+ // Concat all subs into a buffer. We can't probably do much better without
+ // having the original data (which we don't, not anymore).
+ int max_size = 2 * 1024 * 1024;
+ const char *sep = "\n\n"; // In utf-16: U+0A0A GURMUKHI LETTER UU
+ int sep_len = strlen(sep);
+ int num_pkt = 0;
+ int size = 0;
+ for (int n = 0; n < subs->num_packets; n++) {
+ struct demux_packet *pkt = subs->packets[n];
+ if (size + pkt->len > max_size)
+ break;
+ size += pkt->len + sep_len;
+ num_pkt++;
+ }
+ bstr text = {talloc_size(NULL, size), 0};
+ for (int n = 0; n < num_pkt; n++) {
+ struct demux_packet *pkt = subs->packets[n];
+ memcpy(text.start + text.len, pkt->buffer, pkt->len);
+ memcpy(text.start + text.len + pkt->len, sep, sep_len);
+ text.len += pkt->len + sep_len;
+ }
+ const char *guess = mp_charset_guess(text, usercp);
+ talloc_free(text.start);
+ return guess;
+}
+
+static void multiply_timings(struct packet_list *subs, double factor)
+{
+ for (int n = 0; n < subs->num_packets; n++) {
+ struct demux_packet *pkt = subs->packets[n];
+ if (pkt->pts != MP_NOPTS_VALUE)
+ pkt->pts *= factor;
+ if (pkt->duration > 0)
+ pkt->duration *= factor;
+ }
+}
+
+// Remove overlaps and fill gaps between adjacent subtitle packets. This is done
+// by adjusting the duration of the earlier packet. If the gaps or overlap are
+// larger than the threshold, or if the durations are close to the threshold,
+// don't change the events.
+// The algorithm is maximally naive and doesn't work if there are multiple
+// overlapping lines. (It's not worth the trouble.)
+static void fix_overlaps_and_gaps(struct packet_list *subs)
+{
+ double threshold = 0.2; // up to 200 ms overlaps or gaps are removed
+ double keep = threshold * 2;// don't change timings if durations are smaller
+ for (int i = 0; i < subs->num_packets - 1; i++) {
+ struct demux_packet *cur = subs->packets[i];
+ struct demux_packet *next = subs->packets[i + 1];
+ if (cur->pts != MP_NOPTS_VALUE && cur->duration > 0 &&
+ next->pts != MP_NOPTS_VALUE && next->duration > 0)
+ {
+ double end = cur->pts + cur->duration;
+ if (fabs(next->pts - end) <= threshold && cur->duration >= keep &&
+ next->duration >= keep)
+ {
+ cur->duration = next->pts - cur->pts;
+ }
+ }
+ }
+}
+
+static void add_sub_list(struct dec_sub *sub, int at, struct packet_list *subs)
+{
+ struct sd *sd = sub_get_last_sd(sub);
+ assert(sd);
+
+ sd->no_remove_duplicates = true;
+
+ for (int n = 0; n < subs->num_packets; n++)
+ decode_chain_recode(sub, sub->sd + at, sub->num_sd - at, subs->packets[n]);
+
+ // Hack for broken FFmpeg packet format: make sd_ass keep the subtitle
+ // events on reset(), even if broken FFmpeg ASS packets were received
+ // (from sd_lavc_conv.c). Normally, these events are removed on seek/reset,
+ // but this is obviously unwanted in this case.
+ if (sd->driver->fix_events)
+ sd->driver->fix_events(sd);
+
+ sd->no_remove_duplicates = false;
+}
+
+static void add_packet(struct packet_list *subs, struct demux_packet *pkt)
+{
+ pkt = demux_copy_packet(pkt);
+ talloc_steal(subs, pkt);
+ MP_TARRAY_APPEND(subs, subs->packets, subs->num_packets, pkt);
+}
+
+// Read all packets from the demuxer and decode/add them. Returns false if
+// there are circumstances which makes this not possible.
+bool sub_read_all_packets(struct dec_sub *sub, struct sh_sub *sh)
+{
+ struct MPOpts *opts = sub->opts;
+
+ if (!sub_accept_packets_in_advance(sub) || sh->track || sub->num_sd < 1)
+ return false;
+
+ struct packet_list *subs = talloc_zero(NULL, struct packet_list);
+
+ // In some cases, we want to put the packets through a decoder first.
+ // Preprocess until sub->sd[preprocess].
+ int preprocess = 0;
+
+ // movtext is currently the only subtitle format that has text output,
+ // but binary input. Do charset conversion after converting to text.
+ if (sub->sd[0]->driver == &sd_movtext)
+ preprocess = 1;
+
+ // Broken Libav libavformat srt packet format (fix timestamps first).
+ if (sub->sd[0]->driver == &sd_lavf_srt)
+ preprocess = 1;
+
+ for (;;) {
+ ds_get_next_pts(sh->ds);
+ struct demux_packet *pkt = ds_get_packet_sub(sh->ds);
+ if (!pkt)
+ break;
+ if (preprocess) {
+ decode_chain(sub->sd, preprocess, pkt);
+ while (1) {
+ pkt = get_decoded_packet(sub->sd[preprocess - 1]);
+ if (!pkt)
+ break;
+ add_packet(subs, pkt);
+ }
+ } else {
+ add_packet(subs, pkt);
+ }
+ }
+
+ if (opts->sub_cp && !sh->is_utf8)
+ sub->charset = guess_sub_cp(subs, opts->sub_cp);
+
+ if (sub->charset)
+ mp_msg(MSGT_OSD, MSGL_INFO, "Using subtitle charset: %s\n", sub->charset);
+
+ double sub_speed = 1.0;
+
+ // 23.976 FPS is used as default timebase for frame based formats
+ if (sub->video_fps && sh->frame_based)
+ sub_speed *= sub->video_fps / 23.976;
+
+ if (opts->sub_fps && sub->video_fps)
+ sub_speed *= opts->sub_fps / sub->video_fps;
+
+ sub_speed *= opts->sub_speed;
+
+ if (sub_speed != 1.0)
+ multiply_timings(subs, sub_speed);
+
+ if (!opts->suboverlap_enabled)
+ fix_overlaps_and_gaps(subs);
+
+ if (sh->gsh->codec && strcmp(sh->gsh->codec, "microdvd") == 0) {
+ // The last subtitle event in MicroDVD subs can have duration unset,
+ // which means show the subtitle until end of video.
+ // See FFmpeg FATE MicroDVD_capability_tester.sub
+ if (subs->num_packets) {
+ struct demux_packet *last = subs->packets[subs->num_packets - 1];
+ if (last->duration <= 0)
+ last->duration = 10; // arbitrary
+ }
+ }
+
+ add_sub_list(sub, preprocess, subs);
+
+ talloc_free(subs);
+ return true;
+}
+
+bool sub_accept_packets_in_advance(struct dec_sub *sub)
+{
+ // Converters are assumed to always accept packets in advance
+ struct sd *sd = sub_get_last_sd(sub);
+ return sd && sd->driver->accept_packets_in_advance;
}
void sub_get_bitmaps(struct dec_sub *sub, struct mp_osd_res dim, double pts,
diff --git a/sub/dec_sub.h b/sub/dec_sub.h
index 805a87ef5c..c285449f94 100644
--- a/sub/dec_sub.h
+++ b/sub/dec_sub.h
@@ -20,6 +20,7 @@ struct dec_sub *sub_create(struct MPOpts *opts);
void sub_destroy(struct dec_sub *sub);
void sub_set_video_res(struct dec_sub *sub, int w, int h);
+void sub_set_video_fps(struct dec_sub *sub, double fps);
void sub_set_extradata(struct dec_sub *sub, void *data, int data_len);
void sub_set_ass_renderer(struct dec_sub *sub, struct ass_library *ass_library,
struct ass_renderer *ass_renderer);
@@ -27,6 +28,7 @@ void sub_init_from_sh(struct dec_sub *sub, struct sh_sub *sh);
bool sub_is_initialized(struct dec_sub *sub);
+bool sub_read_all_packets(struct dec_sub *sub, struct sh_sub *sh);
bool sub_accept_packets_in_advance(struct dec_sub *sub);
void sub_decode(struct dec_sub *sub, struct demux_packet *packet);
void sub_get_bitmaps(struct dec_sub *sub, struct mp_osd_res dim, double pts,
diff --git a/sub/sd_ass.c b/sub/sd_ass.c
index c46c55c1ab..9c51398f33 100644
--- a/sub/sd_ass.c
+++ b/sub/sd_ass.c
@@ -32,6 +32,10 @@
#include "ass_mp.h"
#include "sd.h"
+// Enable code that treats subtitle events with duration 0 specially, and
+// adjust their duration so that they will disappear with the next event.
+#define INCOMPLETE_EVENTS 0
+
struct sd_ass_priv {
struct ass_track *ass_track;
bool vsfilter_aspect;
@@ -41,17 +45,14 @@ struct sd_ass_priv {
char last_text[500];
};
-static bool is_native_ass(const char *t)
-{
- return strcmp(t, "ass") == 0 || strcmp(t, "ssa") == 0;
-}
-
static bool supports_format(const char *format)
{
// ass-text is produced by converters and the subreader.c ssa parser; this
// format has ASS tags, but doesn't start with any prelude, nor does it
// have extradata.
- return format && (is_native_ass(format) || strcmp(format, "ass-text") == 0);
+ return format && (strcmp(format, "ass") == 0 ||
+ strcmp(format, "ssa") == 0 ||
+ strcmp(format, "ass-text") == 0);
}
static void free_last_event(ASS_Track *track)
@@ -64,7 +65,7 @@ static void free_last_event(ASS_Track *track)
static int init(struct sd *sd)
{
struct MPOpts *opts = sd->opts;
- if (!sd->ass_library || !sd->ass_renderer)
+ if (!sd->ass_library || !sd->ass_renderer || !sd->codec)
return -1;
bool is_converted = sd->converted_from != NULL;
@@ -99,16 +100,15 @@ static void decode(struct sd *sd, struct demux_packet *packet)
unsigned char *text = data;
struct sd_ass_priv *ctx = sd->priv;
ASS_Track *track = ctx->ass_track;
- if (is_native_ass(sd->codec)) {
- if (bstr_startswith0((bstr){data, data_len}, "Dialogue: ")) {
- // broken ffmpeg ASS packet format
- ctx->flush_on_seek = true;
- ass_process_data(track, data, data_len);
- } else {
- ass_process_chunk(track, data, data_len,
- (long long)(pts*1000 + 0.5),
- (long long)(duration*1000 + 0.5));
- }
+ if (strcmp(sd->codec, "ass") == 0) {
+ ass_process_chunk(track, data, data_len,
+ (long long)(pts*1000 + 0.5),
+ (long long)(duration*1000 + 0.5));
+ return;
+ } else if (strcmp(sd->codec, "ssa") == 0) {
+ // broken ffmpeg ASS packet format
+ ctx->flush_on_seek = true;
+ ass_process_data(track, data, data_len);
return;
}
// plaintext subs
@@ -118,6 +118,7 @@ static void decode(struct sd *sd, struct demux_packet *packet)
}
long long ipts = pts * 1000 + 0.5;
long long iduration = duration * 1000 + 0.5;
+#if INCOMPLETE_EVENTS
if (ctx->incomplete_event) {
ctx->incomplete_event = false;
ASS_Event *event = track->events + track->n_events - 1;
@@ -148,6 +149,21 @@ static void decode(struct sd *sd, struct demux_packet *packet)
iduration = 10000;
ctx->incomplete_event = true;
}
+#else
+ if (duration <= 0) {
+ mp_msg(MSGT_SUBREADER, MSGL_WARN, "Subtitle without duration or "
+ "duration set to 0 at pts %f, ignored\n", pts);
+ return;
+ }
+ if (!sd->no_remove_duplicates) {
+ for (int i = 0; i < track->n_events; i++) {
+ if (track->events[i].Start == ipts
+ && (track->events[i].Duration == iduration)
+ && strcmp(track->events[i].Text, text) == 0)
+ return; // We've already added this subtitle
+ }
+ }
+#endif
int eid = ass_alloc_event(track);
ASS_Event *event = track->events + eid;
event->Start = ipts;
@@ -259,8 +275,11 @@ static char *get_text(struct sd *sd, double pts)
if (event->Text) {
int start = b.len;
ass_to_plaintext(&b, event->Text);
- if (!is_whitespace_only(&b.start[b.len], b.len - start))
+ if (is_whitespace_only(&b.start[start], b.len - start)) {
+ b.len = start;
+ } else {
append(&b, '\n');
+ }
}
}
}
diff --git a/sub/sd_lavc_conv.c b/sub/sd_lavc_conv.c
index 1fc0262f96..4f24e20709 100644
--- a/sub/sd_lavc_conv.c
+++ b/sub/sd_lavc_conv.c
@@ -87,7 +87,7 @@ static int init(struct sd *sd)
avctx->time_base = (AVRational) {1, 1000};
priv->avctx = avctx;
sd->priv = priv;
- sd->output_codec = "ass";
+ sd->output_codec = "ssa";
sd->output_extradata = avctx->subtitle_header;
sd->output_extradata_len = avctx->subtitle_header_size;
if (sd->output_extradata) {
diff --git a/sub/sd_lavf_srt.c b/sub/sd_lavf_srt.c
new file mode 100644
index 0000000000..0d34b489c7
--- /dev/null
+++ b/sub/sd_lavf_srt.c
@@ -0,0 +1,94 @@
+/*
+ * This file is part of mpv.
+ *
+ * SRT timestamp parsing code lifted from FFmpeg srtdec.c (LGPL).
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#include "core/bstr.h"
+#include "sd.h"
+
+/*
+ * Background:
+ *
+ * Libav's .srt demuxer outputs packets that contain parts of the subtitle
+ * event header. Also, the packet duration is not set (they don't parse it
+ * on the demuxer side). As a result, the srt demuxer is useless.
+ *
+ * However, we can fix it by parsing the header, which spares us from writing
+ * a full SRT demuxer.
+ *
+ * Newer versions of FFmpeg do not have this problem. To avoid compatibility
+ * problems, they changed the codec name from "srt" to "subrip".
+ *
+ * Summary: this is a hack for broken SRT stuff in Libav.
+ *
+ */
+
+static bool supports_format(const char *format)
+{
+ return format && strcmp(format, "srt") == 0;
+}
+
+static int init(struct sd *sd)
+{
+ sd->output_codec = "subrip";
+ return 0;
+}
+
+static bool parse_pts(bstr header, double *duration)
+{
+ char buf[200];
+ snprintf(buf, sizeof(buf), "%.*s", BSTR_P(header));
+ int hh1, mm1, ss1, ms1;
+ int hh2, mm2, ss2, ms2;
+ if (sscanf(buf, "%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d",
+ &hh1, &mm1, &ss1, &ms1, &hh2, &mm2, &ss2, &ms2) >= 8)
+ {
+ int64_t start = (hh1*3600LL + mm1*60LL + ss1) * 1000LL + ms1;
+ int64_t end = (hh2*3600LL + mm2*60LL + ss2) * 1000LL + ms2;
+ *duration = (end - start) / 1000.0;
+ return true;
+ }
+ return false;
+}
+
+static void decode(struct sd *sd, struct demux_packet *packet)
+{
+ bstr data = {packet->buffer, packet->len};
+ // Remove the broken header. It's usually on the second or first line.
+ bstr left = data;
+ while (left.len) {
+ bstr line = bstr_getline(left, &left);
+ if (parse_pts(line, &packet->duration)) {
+ data = left;
+ break;
+ }
+ }
+ sd_conv_add_packet(sd, data.start, data.len, packet->pts, packet->duration);
+}
+
+const struct sd_functions sd_lavf_srt = {
+ .name = "lavf_srt",
+ .supports_format = supports_format,
+ .init = init,
+ .decode = decode,
+ .get_converted = sd_conv_def_get_converted,
+ .reset = sd_conv_def_reset,
+};
diff --git a/sub/sd_movtext.c b/sub/sd_movtext.c
index a6ef120ec7..3038a4c132 100644
--- a/sub/sd_movtext.c
+++ b/sub/sd_movtext.c
@@ -42,7 +42,8 @@ static void decode(struct sd *sd, struct demux_packet *packet)
return;
len = FFMIN(len - 2, AV_RB16(data));
data += 2;
- sd_conv_add_packet(sd, data, len, packet->pts, packet->duration);
+ if (len > 0)
+ sd_conv_add_packet(sd, data, len, packet->pts, packet->duration);
}
const struct sd_functions sd_movtext = {
diff --git a/sub/sub.c b/sub/sub.c
index a0965dc1ec..7eb32d5885 100644
--- a/sub/sub.c
+++ b/sub/sub.c
@@ -37,7 +37,6 @@
#include "dec_sub.h"
#include "img_convert.h"
#include "draw_bmp.h"
-#include "subreader.h"
#include "video/mp_image.h"
#include "video/mp_image_pool.h"
diff --git a/sub/subreader.c b/sub/subreader.c
deleted file mode 100644
index f3821ba5ab..0000000000
--- a/sub/subreader.c
+++ /dev/null
@@ -1,1618 +0,0 @@
-/*
- * Subtitle reader with format autodetection
- *
- * Copyright (c) 2001 laaz
- * Some code cleanup & realloc() by A'rpi/ESP-team
- *
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <dirent.h>
-#include <ctype.h>
-
-#include "config.h"
-#include "core/mp_msg.h"
-#include "subreader.h"
-#include "core/mp_common.h"
-#include "core/options.h"
-#include "stream/stream.h"
-#include "libavutil/common.h"
-#include "libavutil/avstring.h"
-
-#ifdef CONFIG_ENCA
-#include <enca.h>
-#endif
-
-#define ERR ((void *) -1)
-
-#ifdef CONFIG_ICONV
-#include <iconv.h>
-#endif
-
-// Parameter struct for the format-specific readline functions
-struct readline_args {
- int utf16;
- struct MPOpts *opts;
-
- // subtitle reader state used by some formats
-
- float mpsub_multiplier;
- float mpsub_position;
- int sub_slacktime;
-
- /*
- Some subtitling formats, namely AQT and Subrip09, define the end of a
- subtitle as the beginning of the following. Since currently we read one
- subtitle at time, for these format we keep two global *subtitle,
- previous_aqt_sub and previous_subrip09_sub, pointing to previous subtitle,
- so we can change its end when we read current subtitle starting time.
- We use a single global unsigned long,
- previous_sub_end, for both (and even future) formats, to store the end of
- the previous sub: it is initialized to 0 in sub_read_file and eventually
- modified by sub_read_aqt_line or sub_read_subrip09_line.
- */
- unsigned long previous_sub_end;
-};
-
-/* Maximal length of line of a subtitle */
-#define LINE_LEN 1000
-
-static int eol(char p) {
- return p=='\r' || p=='\n' || p=='\0';
-}
-
-/* Remove leading and trailing space */
-static void trail_space(char *s) {
- int i = 0;
- while (isspace(s[i])) ++i;
- if (i) strcpy(s, s + i);
- i = strlen(s) - 1;
- while (i > 0 && isspace(s[i])) s[i--] = '\0';
-}
-
-static char *stristr(const char *haystack, const char *needle) {
- int len = 0;
- const char *p = haystack;
-
- if (!(haystack && needle)) return NULL;
-
- len=strlen(needle);
- while (*p != '\0') {
- if (strncasecmp(p, needle, len) == 0) return (char*)p;
- p++;
- }
-
- return NULL;
-}
-
-static void sami_add_line(subtitle *current, char *buffer, char **pos) {
- char *p = *pos;
- *p = 0;
- trail_space(buffer);
- if (*buffer && current->lines < SUB_MAX_TEXT)
- current->text[current->lines++] = strdup(buffer);
- *pos = buffer;
-}
-
-static subtitle *sub_read_line_sami(stream_t* st, subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- static char line[LINE_LEN+1];
- static char *s = NULL, *slacktime_s;
- char text[LINE_LEN+1], *p=NULL, *q;
- int state;
-
- current->lines = current->start = current->end = 0;
- current->alignment = SUB_ALIGNMENT_BOTTOMCENTER;
- state = 0;
-
- /* read the first line */
- if (!s)
- if (!(s = stream_read_line(st, line, LINE_LEN, utf16))) return 0;
-
- do {
- switch (state) {
-
- case 0: /* find "START=" or "Slacktime:" */
- slacktime_s = stristr (s, "Slacktime:");
- if (slacktime_s)
- args->sub_slacktime = strtol (slacktime_s+10, NULL, 0) / 10;
-
- s = stristr (s, "Start=");
- if (s) {
- current->start = strtol (s + 6, &s, 0) / 10;
- /* eat '>' */
- for (; *s != '>' && *s != '\0'; s++);
- s++;
- state = 1; continue;
- }
- break;
-
- case 1: /* find (optional) "<P", skip other TAGs */
- for (; *s == ' ' || *s == '\t'; s++); /* strip blanks, if any */
- if (*s == '\0') break;
- if (*s != '<') { state = 3; p = text; continue; } /* not a TAG */
- s++;
- if (*s == 'P' || *s == 'p') { s++; state = 2; continue; } /* found '<P' */
- for (; *s != '>' && *s != '\0'; s++); /* skip remains of non-<P> TAG */
- if (*s == '\0')
- break;
- s++;
- continue;
-
- case 2: /* find ">" */
- if ((s = strchr (s, '>'))) { s++; state = 3; p = text; continue; }
- break;
-
- case 3: /* get all text until '<' appears */
- if (p - text >= LINE_LEN)
- sami_add_line(current, text, &p);
- if (*s == '\0') break;
- else if (!strncasecmp (s, "<br>", 4)) {
- sami_add_line(current, text, &p);
- s += 4;
- }
- else if ((*s == '{') && !args->opts->sub_no_text_pp) { state = 5; ++s; continue; }
- else if (*s == '<') { state = 4; }
- else if (!strncasecmp (s, "&nbsp;", 6)) { *p++ = ' '; s += 6; }
- else if (*s == '\t') { *p++ = ' '; s++; }
- else if (*s == '\r' || *s == '\n') { s++; }
- else *p++ = *s++;
-
- /* skip duplicated space */
- if (p > text + 2) if (*(p-1) == ' ' && *(p-2) == ' ') p--;
-
- continue;
-
- case 4: /* get current->end or skip <TAG> */
- q = stristr (s, "Start=");
- if (q) {
- current->end = strtol (q + 6, &q, 0) / 10 - 1;
- *p = '\0'; trail_space (text);
- if (text[0] != '\0')
- current->text[current->lines++] = strdup (text);
- if (current->lines > 0) { state = 99; break; }
- state = 0; continue;
- }
- s = strchr (s, '>');
- if (s) { s++; state = 3; continue; }
- break;
- case 5: /* get rid of {...} text, but read the alignment code */
- if ((*s == '\\') && (*(s + 1) == 'a') && !args->opts->sub_no_text_pp) {
- if (stristr(s, "\\a1") != NULL) {
- current->alignment = SUB_ALIGNMENT_BOTTOMLEFT;
- s = s + 3;
- }
- if (stristr(s, "\\a2") != NULL) {
- current->alignment = SUB_ALIGNMENT_BOTTOMCENTER;
- s = s + 3;
- } else if (stristr(s, "\\a3") != NULL) {
- current->alignment = SUB_ALIGNMENT_BOTTOMRIGHT;
- s = s + 3;
- } else if ((stristr(s, "\\a4") != NULL) || (stristr(s, "\\a5") != NULL) || (stristr(s, "\\a8") != NULL)) {
- current->alignment = SUB_ALIGNMENT_TOPLEFT;
- s = s + 3;
- } else if (stristr(s, "\\a6") != NULL) {
- current->alignment = SUB_ALIGNMENT_TOPCENTER;
- s = s + 3;
- } else if (stristr(s, "\\a7") != NULL) {
- current->alignment = SUB_ALIGNMENT_TOPRIGHT;
- s = s + 3;
- } else if (stristr(s, "\\a9") != NULL) {
- current->alignment = SUB_ALIGNMENT_MIDDLELEFT;
- s = s + 3;
- } else if (stristr(s, "\\a10") != NULL) {
- current->alignment = SUB_ALIGNMENT_MIDDLECENTER;
- s = s + 4;
- } else if (stristr(s, "\\a11") != NULL) {
- current->alignment = SUB_ALIGNMENT_MIDDLERIGHT;
- s = s + 4;
- }
- }
- if (*s == '}') state = 3;
- ++s;
- continue;
- }
-
- /* read next line */
- if (state != 99 && !(s = stream_read_line (st, line, LINE_LEN, utf16))) {
- if (current->start > 0) {
- break; // if it is the last subtitle
- } else {
- return 0;
- }
- }
-
- } while (state != 99);
-
- // For the last subtitle
- if (current->end <= 0) {
- current->end = current->start + args->sub_slacktime;
- sami_add_line(current, text, &p);
- }
-
- return current;
-}
-
-
-static const char *sub_readtext(const char *source, char **dest) {
- int len=0;
- const char *p=source;
-
-// printf("src=%p dest=%p \n",source,dest);
-
- while ( !eol(*p) && *p!= '|' ) {
- p++,len++;
- }
-
- *dest= malloc (len+1);
- if (!*dest) {return ERR;}
-
- strncpy(*dest, source, len);
- (*dest)[len]=0;
-
- while (*p=='\r' || *p=='\n' || *p=='|') p++;
-
- if (*p) return p; // not-last text field
- else return NULL; // last text field
-}
-
-static subtitle *set_multiline_text(subtitle *current, const char *text, int start)
-{
- int i = start;
- while ((text = sub_readtext(text, current->text + i))) {
- if (current->text[i] == ERR) return ERR;
- i++;
- if (i >= SUB_MAX_TEXT) {
- mp_msg(MSGT_SUBREADER, MSGL_WARN, "Too many lines in a subtitle\n");
- current->lines = i;
- return current;
- }
- }
- current->lines = i + 1;
- return current;
-}
-
-static subtitle *sub_read_line_microdvd(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
- char line2[LINE_LEN+1];
-
- do {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) return NULL;
- } while ((sscanf (line,
- "{%ld}{}%[^\r\n]",
- &(current->start), line2) < 2) &&
- (sscanf (line,
- "{%ld}{%ld}%[^\r\n]",
- &(current->start), &(current->end), line2) < 3));
-
- return set_multiline_text(current, line2, 0);
-}
-
-static subtitle *sub_read_line_mpl2(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
- char line2[LINE_LEN+1];
-
- do {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) return NULL;
- } while ((sscanf (line,
- "[%ld][%ld]%[^\r\n]",
- &(current->start), &(current->end), line2) < 3));
- current->start *= 10;
- current->end *= 10;
-
- return set_multiline_text(current, line2, 0);
-}
-
-static subtitle *sub_read_line_subrip(stream_t* st, subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
- int a1,a2,a3,a4,b1,b2,b3,b4;
- char *p=NULL, *q=NULL;
- int len;
-
- while (1) {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) return NULL;
- if (sscanf (line, "%d:%d:%d.%d,%d:%d:%d.%d",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4) < 8) continue;
- current->start = a1*360000+a2*6000+a3*100+a4;
- current->end = b1*360000+b2*6000+b3*100+b4;
-
- if (!stream_read_line (st, line, LINE_LEN, utf16)) return NULL;
-
- p=q=line;
- for (current->lines=1; current->lines < SUB_MAX_TEXT; current->lines++) {
- for (q=p,len=0; *p && *p!='\r' && *p!='\n' && *p!='|' && strncmp(p,"[br]",4); p++,len++);
- current->text[current->lines-1]=malloc (len+1);
- if (!current->text[current->lines-1]) return ERR;
- strncpy (current->text[current->lines-1], q, len);
- current->text[current->lines-1][len]='\0';
- if (!*p || *p=='\r' || *p=='\n') break;
- if (*p=='|') p++;
- else while (*p++!=']');
- }
- break;
- }
- return current;
-}
-
-static subtitle *sub_read_line_subviewer(stream_t *st, subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- int a1, a2, a3, a4, b1, b2, b3, b4, j = 0;
-
- while (!current->text[0]) {
- char line[LINE_LEN + 1], full_line[LINE_LEN + 1];
- int i;
-
- /* Parse SubRip header */
- if (!stream_read_line(st, line, LINE_LEN, utf16))
- return NULL;
- if (sscanf(line, "%d:%d:%d%*1[,.:]%d --> %d:%d:%d%*1[,.:]%d",
- &a1, &a2, &a3, &a4, &b1, &b2, &b3, &b4) < 8)
- continue;
-
- current->start = a1 * 360000 + a2 * 6000 + a3 * 100 + a4 / 10;
- current->end = b1 * 360000 + b2 * 6000 + b3 * 100 + b4 / 10;
-
- /* Concat lines */
- full_line[0] = 0;
- for (i = 0; i < SUB_MAX_TEXT; i++) {
- int blank = 1, len = 0;
- char *p;
-
- if (!stream_read_line(st, line, LINE_LEN, utf16))
- break;
-
- for (p = line; *p != '\n' && *p != '\r' && *p; p++, len++)
- if (*p != ' ' && *p != '\t')
- blank = 0;
-
- if (blank)
- break;
-
- *p = 0;
-
- if (!(j + 1 + len < sizeof(full_line) - 1))
- break;
-
- if (j != 0)
- full_line[j++] = '\n';
- strcpy(&full_line[j], line);
- j += len;
- }
-
- if (full_line[0]) {
- current->text[0] = strdup(full_line);
- current->lines = 1;
- }
- }
- return current;
-}
-
-static subtitle *sub_read_line_subviewer2(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
- int a1,a2,a3,a4;
- char *p=NULL;
- int i,len;
-
- while (!current->text[0]) {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) return NULL;
- if (line[0]!='{')
- continue;
- if ((len=sscanf (line, "{T %d:%d:%d:%d",&a1,&a2,&a3,&a4)) < 4)
- continue;
- current->start = a1*360000+a2*6000+a3*100+a4/10;
- for (i=0; i<SUB_MAX_TEXT;) {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) break;
- if (line[0]=='}') break;
- len=0;
- for (p=line; *p!='\n' && *p!='\r' && *p; ++p,++len);
- if (len) {
- current->text[i]=malloc (len+1);
- if (!current->text[i]) return ERR;
- strncpy (current->text[i], line, len); current->text[i][len]='\0';
- ++i;
- } else {
- break;
- }
- }
- current->lines=i;
- }
- return current;
-}
-
-
-static subtitle *sub_read_line_vplayer(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
- int a1,a2,a3;
- char *p=NULL, separator;
- int len,plen;
-
- while (!current->text[0]) {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) return NULL;
- if ((len=sscanf (line, "%d:%d:%d%c%n",&a1,&a2,&a3,&separator,&plen)) < 4)
- continue;
-
- if (!(current->start = a1*360000+a2*6000+a3*100))
- continue;
- /* removed by wodzu
- p=line;
- // finds the body of the subtitle
- for (i=0; i<3; i++){
- p=strchr(p,':');
- if (p==NULL) break;
- ++p;
- }
- if (p==NULL) {
- printf("SUB: Skipping incorrect subtitle line!\n");
- continue;
- }
- */
- // by wodzu: hey! this time we know what length it has! what is
- // that magic for? it can't deal with space instead of third
- // colon! look, what simple it can be:
- p = &line[ plen ];
-
- if (*p!='|') {
- //
- return set_multiline_text(current, p, 0);
- }
- }
- return current;
-}
-
-static subtitle *sub_read_line_rt(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
-
- //TODO: This format uses quite rich (sub/super)set of xhtml
- // I couldn't check it since DTD is not included.
- // WARNING: full XML parses can be required for proper parsing
- char line[LINE_LEN+1];
- int a1,a2,a3,a4,b1,b2,b3,b4;
- char *p=NULL,*next=NULL;
- int len,plen;
-
- while (!current->text[0]) {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) return NULL;
- //TODO: it seems that format of time is not easily determined, it may be 1:12, 1:12.0 or 0:1:12.0
- //to describe the same moment in time. Maybe there are even more formats in use.
- //if ((len=sscanf (line, "<Time Begin=\"%d:%d:%d.%d\" End=\"%d:%d:%d.%d\"",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4)) < 8)
- plen=a1=a2=a3=a4=b1=b2=b3=b4=0;
- if (
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d.%d\" %*[Ee]nd=\"%d.%d\"%*[^<]<clear/>%n",&a3,&a4,&b3,&b4,&plen)) < 4) &&
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d.%d\" %*[Ee]nd=\"%d:%d.%d\"%*[^<]<clear/>%n",&a3,&a4,&b2,&b3,&b4,&plen)) < 5) &&
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d\" %*[Ee]nd=\"%d:%d\"%*[^<]<clear/>%n",&a2,&a3,&b2,&b3,&plen)) < 4) &&
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d\" %*[Ee]nd=\"%d:%d.%d\"%*[^<]<clear/>%n",&a2,&a3,&b2,&b3,&b4,&plen)) < 5) &&
-// ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d.%d\" %*[Ee]nd=\"%d:%d\"%*[^<]<clear/>%n",&a2,&a3,&a4,&b2,&b3,&plen)) < 5) &&
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d.%d\" %*[Ee]nd=\"%d:%d.%d\"%*[^<]<clear/>%n",&a2,&a3,&a4,&b2,&b3,&b4,&plen)) < 6) &&
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d:%d.%d\" %*[Ee]nd=\"%d:%d:%d.%d\"%*[^<]<clear/>%n",&a1,&a2,&a3,&a4,&b1,&b2,&b3,&b4,&plen)) < 8) &&
- //now try it without end time
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d.%d\"%*[^<]<clear/>%n",&a3,&a4,&plen)) < 2) &&
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d\"%*[^<]<clear/>%n",&a2,&a3,&plen)) < 2) &&
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d.%d\"%*[^<]<clear/>%n",&a2,&a3,&a4,&plen)) < 3) &&
- ((len=sscanf (line, "<%*[tT]ime %*[bB]egin=\"%d:%d:%d.%d\"%*[^<]<clear/>%n",&a1,&a2,&a3,&a4,&plen)) < 4)
- )
- continue;
- current->start = a1*360000+a2*6000+a3*100+a4/10;
- current->end = b1*360000+b2*6000+b3*100+b4/10;
- if (b1 == 0 && b2 == 0 && b3 == 0 && b4 == 0)
- current->end = current->start+200;
- p=line; p+=plen;
- // TODO: I don't know what kind of convention is here for marking multiline subs, maybe <br/> like in xml?
- next = strstr(line,"<clear/>");
- if(next && strlen(next)>8){
- next+=8;
- return set_multiline_text(current, next, 0);
- }
- }
- return current;
-}
-
-static subtitle *sub_read_line_ssa(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- /* Instead of hardcoding the expected fields and their order on
- * each dialogue line, this code should parse the "Format: " line
- * which lists the fields used in the script. As is, this may not
- * work correctly with all scripts.
- */
-
- int utf16 = args->utf16;
- int comma;
-
- int hour1, min1, sec1, hunsec1,
- hour2, min2, sec2, hunsec2, nothing;
- int num;
-
- char line[LINE_LEN+1],
- line3[LINE_LEN+1],
- *line2;
- char *tmp;
-
- do {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) return NULL;
- } while (sscanf (line, "Dialogue: Marked=%d,%d:%d:%d.%d,%d:%d:%d.%d"
- "%[^\n\r]", &nothing,
- &hour1, &min1, &sec1, &hunsec1,
- &hour2, &min2, &sec2, &hunsec2,
- line3) < 9
- &&
- sscanf (line, "Dialogue: %d,%d:%d:%d.%d,%d:%d:%d.%d"
- "%[^\n\r]", &nothing,
- &hour1, &min1, &sec1, &hunsec1,
- &hour2, &min2, &sec2, &hunsec2,
- line3) < 9 );
-
- line2=strchr(line3, ',');
- if (!line2) return NULL;
-
- for (comma = 3; comma < 9; comma ++)
- if (!(line2 = strchr(++line2, ',')))
- return NULL;
- line2++;
-
- current->lines=0;num=0;
- current->start = 360000*hour1 + 6000*min1 + 100*sec1 + hunsec1;
- current->end = 360000*hour2 + 6000*min2 + 100*sec2 + hunsec2;
-
- while (((tmp=strstr(line2, "\\n")) != NULL) || ((tmp=strstr(line2, "\\N")) != NULL) ){
- current->text[num]=malloc(tmp-line2+1);
- strncpy (current->text[num], line2, tmp-line2);
- current->text[num][tmp-line2]='\0';
- line2=tmp+2;
- num++;
- current->lines++;
- if (current->lines >= SUB_MAX_TEXT) return current;
- }
-
- current->text[num]=strdup(line2);
- current->lines++;
-
- return current;
-}
-
-/*
- * PJS subtitles reader.
- * That's the "Phoenix Japanimation Society" format.
- * I found some of them in http://www.scriptsclub.org/ (used for anime).
- * The time is in tenths of second.
- *
- * by set, based on code by szabi (dunnowhat sub format ;-)
- */
-static subtitle *sub_read_line_pjs(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
- char text[LINE_LEN+1], *s, *d;
-
- if (!stream_read_line (st, line, LINE_LEN, utf16))
- return NULL;
- /* skip spaces */
- for (s=line; *s && isspace(*s); s++);
- /* allow empty lines at the end of the file */
- if (*s==0)
- return NULL;
- /* get the time */
- if (sscanf (s, "%ld,%ld,", &(current->start),
- &(current->end)) <2) {
- return ERR;
- }
- /* the files I have are in tenths of second */
- current->start *= 10;
- current->end *= 10;
- /* walk to the beggining of the string */
- for (; *s; s++) if (*s==',') break;
- if (*s) {
- for (s++; *s; s++) if (*s==',') break;
- if (*s) s++;
- }
- if (*s!='"') {
- return ERR;
- }
- /* copy the string to the text buffer */
- for (s++, d=text; *s && *s!='"'; s++, d++)
- *d=*s;
- *d=0;
- current->text[0] = strdup(text);
- current->lines = 1;
-
- return current;
-}
-
-static subtitle *sub_read_line_mpsub(stream_t *st, subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
- float a,b;
- int num=0;
- char *p, *q;
-
- do
- {
- if (!stream_read_line(st, line, LINE_LEN, utf16)) return NULL;
- } while (sscanf (line, "%f %f", &a, &b) !=2);
-
- args->mpsub_position += a*args->mpsub_multiplier;
- current->start=(int) args->mpsub_position;
- args->mpsub_position += b*args->mpsub_multiplier;
- current->end=(int) args->mpsub_position;
-
- while (num < SUB_MAX_TEXT) {
- if (!stream_read_line (st, line, LINE_LEN, utf16)) {
- if (num == 0) return NULL;
- else return current;
- }
- p=line;
- while (isspace(*p)) p++;
- if (eol(*p) && num > 0) return current;
- if (eol(*p)) return NULL;
-
- for (q=p; !eol(*q); q++);
- *q='\0';
- if (strlen(p)) {
- current->text[num]=strdup(p);
-// printf (">%s<\n",p);
- current->lines = ++num;
- } else {
- if (num) return current;
- else return NULL;
- }
- }
- return NULL; // we should have returned before if it's OK
-}
-
-static subtitle *sub_read_line_aqt(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
-
-retry:
- while (1) {
- // try to locate next subtitle
- if (!stream_read_line (st, line, LINE_LEN, utf16))
- return NULL;
- if (!(sscanf (line, "-->> %ld", &(current->start)) <1))
- break;
- }
-
- if (!args->previous_sub_end)
- args->previous_sub_end = (current->start) ? current->start - 1 : 0;
-
- if (!stream_read_line (st, line, LINE_LEN, utf16))
- return NULL;
-
- sub_readtext((char *) &line,&current->text[0]);
- current->lines = 1;
- current->end = current->start; // will be corrected by next subtitle
-
- if (!stream_read_line (st, line, LINE_LEN, utf16))
- return current;
-
- if (set_multiline_text(current, line, 1) == ERR)
- return ERR;
-
- if (!strlen(current->text[0]) && !strlen(current->text[1]))
- goto retry;
-
- return current;
-}
-
-static subtitle *sub_read_line_subrip09(stream_t *st,subtitle *current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line[LINE_LEN+1];
- int a1,a2,a3;
- int len;
-
-retry:
- while (1) {
- // try to locate next subtitle
- if (!stream_read_line (st, line, LINE_LEN, utf16))
- return NULL;
- if (!((len=sscanf (line, "[%d:%d:%d]",&a1,&a2,&a3)) < 3))
- break;
- }
-
- current->start = a1*360000+a2*6000+a3*100;
-
- if (!args->previous_sub_end)
- args->previous_sub_end = (current->start) ? current->start - 1 : 0;
-
- if (!stream_read_line (st, line, LINE_LEN, utf16))
- return NULL;
-
- current->text[0]=""; // just to be sure that string is clear
-
- if (set_multiline_text(current, line, 0) == ERR)
- return ERR;
-
- if (!strlen(current->text[0]) && current->lines <= 1)
- goto retry;
-
- return current;
-}
-
-static subtitle *sub_read_line_jacosub(stream_t* st, subtitle * current,
- struct readline_args *args)
-{
- int utf16 = args->utf16;
- char line1[LINE_LEN], line2[LINE_LEN], directive[LINE_LEN], *p, *q;
- unsigned a1, a2, a3, a4, b1, b2, b3, b4, comment = 0;
- static unsigned jacoTimeres = 30;
- static int jacoShift = 0;
-
- memset(current, 0, sizeof(subtitle));
- memset(line1, 0, LINE_LEN);
- memset(line2, 0, LINE_LEN);
- memset(directive, 0, LINE_LEN);
- while (!current->text[0]) {
- if (!stream_read_line(st, line1, LINE_LEN, utf16)) {
- return NULL;
- }
- if (sscanf
- (line1, "%u:%u:%u.%u %u:%u:%u.%u %[^\n\r]", &a1, &a2, &a3, &a4,
- &b1, &b2, &b3, &b4, line2) < 9) {
- if (sscanf(line1, "@%u @%u %[^\n\r]", &a4, &b4, line2) < 3) {
- if (line1[0] == '#') {
- int hours = 0, minutes = 0, seconds, delta, inverter =
- 1;
- unsigned units = jacoShift;
- switch (toupper(line1[1])) {
- case 'S':
- if (isalpha(line1[2])) {
- delta = 6;
- } else {
- delta = 2;
- }
- if (sscanf(&line1[delta], "%d", &hours)) {
- if (hours < 0) {
- hours *= -1;
- inverter = -1;
- }
- if (sscanf(&line1[delta], "%*d:%d", &minutes)) {
- if (sscanf
- (&line1[delta], "%*d:%*d:%d",
- &seconds)) {
- sscanf(&line1[delta], "%*d:%*d:%*d.%d",
- &units);
- } else {
- hours = 0;
- sscanf(&line1[delta], "%d:%d.%d",
- &minutes, &seconds, &units);
- minutes *= inverter;
- }
- } else {
- hours = minutes = 0;
- sscanf(&line1[delta], "%d.%d", &seconds,
- &units);
- seconds *= inverter;
- }
- jacoShift =
- ((hours * 3600 + minutes * 60 +
- seconds) * jacoTimeres +
- units) * inverter;
- }
- break;
- case 'T':
- if (isalpha(line1[2])) {
- delta = 8;
- } else {
- delta = 2;
- }
- sscanf(&line1[delta], "%u", &jacoTimeres);
- break;
- }
- }
- continue;
- } else {
- current->start =
- (unsigned long) ((a4 + jacoShift) * 100.0 /
- jacoTimeres);
- current->end =
- (unsigned long) ((b4 + jacoShift) * 100.0 /
- jacoTimeres);
- }
- } else {
- current->start =
- (unsigned
- long) (((a1 * 3600 + a2 * 60 + a3) * jacoTimeres + a4 +
- jacoShift) * 100.0 / jacoTimeres);
- current->end =
- (unsigned
- long) (((b1 * 3600 + b2 * 60 + b3) * jacoTimeres + b4 +
- jacoShift) * 100.0 / jacoTimeres);
- }
- current->lines = 0;
- p = line2;
- while ((*p == ' ') || (*p == '\t')) {
- ++p;
- }
- if (isalpha(*p)||*p == '[') {
- int cont, jLength;
-
- if (sscanf(p, "%s %[^\n\r]", directive, line1) < 2)
- return (subtitle *) ERR;
- jLength = strlen(directive);
- for (cont = 0; cont < jLength; ++cont) {
- if (isalpha(*(directive + cont)))
- *(directive + cont) = toupper(*(directive + cont));
- }
- if ((strstr(directive, "RDB") != NULL)
- || (strstr(directive, "RDC") != NULL)
- || (strstr(directive, "RLB") != NULL)
- || (strstr(directive, "RLG") != NULL)) {
- continue;
- }
- if (strstr(directive, "JL") != NULL) {
- current->alignment = SUB_ALIGNMENT_BOTTOMLEFT;
- } else if (strstr(directive, "JR") != NULL) {
- current->alignment = SUB_ALIGNMENT_BOTTOMRIGHT;
- } else {
- current->alignment = SUB_ALIGNMENT_BOTTOMCENTER;
- }
- strcpy(line2, line1);
- p = line2;
- }
- for (q = line1; (!eol(*p)) && (current->lines < SUB_MAX_TEXT); ++p) {
- switch (*p) {
- case '{':
- comment++;
- break;
- case '}':
- if (comment) {
- --comment;
- //the next line to get rid of a blank after the comment
- if ((*(p + 1)) == ' ')
- p++;
- }
- break;
- case '~':
- if (!comment) {
- *q = ' ';
- ++q;
- }
- break;
- case ' ':
- case '\t':
- if ((*(p + 1) == ' ') || (*(p + 1) == '\t'))
- break;
- if (!comment) {
- *q = ' ';
- ++q;
- }
- break;
- case '\\':
- if (*(p + 1) == 'n') {
- *q = '\0';
- q = line1;
- current->text[current->lines++] = strdup(line1);
- ++p;
- break;
- }
- if ((toupper(*(p + 1)) == 'C')
- || (toupper(*(p + 1)) == 'F')) {
- ++p,++p;
- break;
- }
- if ((*(p + 1) == 'B') || (*(p + 1) == 'b') || (*(p + 1) == 'D') || //actually this means "insert current date here"
- (*(p + 1) == 'I') || (*(p + 1) == 'i') || (*(p + 1) == 'N') || (*(p + 1) == 'T') || //actually this means "insert current time here"
- (*(p + 1) == 'U') || (*(p + 1) == 'u')) {
- ++p;
- break;
- }
- if ((*(p + 1) == '\\') ||
- (*(p + 1) == '~') || (*(p + 1) == '{')) {
- ++p;
- } else if (eol(*(p + 1))) {
- if (!stream_read_line(st, directive, LINE_LEN, utf16))
- return NULL;
- trail_space(directive);
- av_strlcat(line2, directive, LINE_LEN);
- break;
- }
- default:
- if (!comment) {
- *q = *p;
- ++q;
- }
- } //-- switch
- } //-- for
- *q = '\0';
- if (current->lines < SUB_MAX_TEXT)
- current->text[current->lines] = strdup(line1);
- } //-- while
- if (current->lines < SUB_MAX_TEXT)
- current->lines++;
- return current;
-}
-
-static int sub_autodetect (stream_t* st, int *uses_time, int utf16) {
- char line[LINE_LEN+1];
- int i,j=0;
-
- while (j < 100) {
- j++;
- if (!stream_read_line (st, line, LINE_LEN, utf16))
- return SUB_INVALID;
-
- if (sscanf (line, "{%d}{%d}", &i, &i)==2)
- {*uses_time=0;return SUB_MICRODVD;}
- if (sscanf (line, "{%d}{}", &i)==1)
- {*uses_time=0;return SUB_MICRODVD;}
- if (sscanf (line, "[%d][%d]", &i, &i)==2)
- {*uses_time=1;return SUB_MPL2;}
- if (sscanf (line, "%d:%d:%d.%d,%d:%d:%d.%d", &i, &i, &i, &i, &i, &i, &i, &i)==8)
- {*uses_time=1;return SUB_SUBRIP;}
- if (sscanf (line, "%d:%d:%d%*1[,.:]%d --> %d:%d:%d%*1[,.:]%d", &i, &i, &i, &i, &i, &i, &i, &i) == 8)
- {*uses_time=1;return SUB_SUBVIEWER;}
- if (sscanf (line, "{T %d:%d:%d:%d",&i, &i, &i, &i)==4)
- {*uses_time=1;return SUB_SUBVIEWER2;}
- if (strstr (line, "<SAMI>"))
- {*uses_time=1; return SUB_SAMI;}
- if (sscanf(line, "%d:%d:%d.%d %d:%d:%d.%d", &i, &i, &i, &i, &i, &i, &i, &i) == 8)
- {*uses_time = 1; return SUB_JACOSUB;}
- if (sscanf(line, "@%d @%d", &i, &i) == 2)
- {*uses_time = 1; return SUB_JACOSUB;}
- if (sscanf (line, "%d:%d:%d:", &i, &i, &i )==3)
- {*uses_time=1;return SUB_VPLAYER;}
- if (sscanf (line, "%d:%d:%d ", &i, &i, &i )==3)
- {*uses_time=1;return SUB_VPLAYER;}
- if (!strncasecmp(line, "<window", 7))
- {*uses_time=1;return SUB_RT;}
- if (!memcmp(line, "Dialogue: Marked", 16))
- {*uses_time=1; return SUB_SSA;}
- if (!memcmp(line, "Dialogue: ", 10))
- {*uses_time=1; return SUB_SSA;}
- if (sscanf (line, "%d,%d,\"%c", &i, &i, (char *) &i) == 3)
- {*uses_time=1;return SUB_PJS;}
- if (sscanf (line, "FORMAT=%d", &i) == 1)
- {*uses_time=0; return SUB_MPSUB;}
- if (!memcmp(line, "FORMAT=TIME", 11))
- {*uses_time=1; return SUB_MPSUB;}
- if (strstr (line, "-->>"))
- {*uses_time=0; return SUB_AQTITLE;}
- if (sscanf (line, "[%d:%d:%d]", &i, &i, &i)==3)
- {*uses_time=1;return SUB_SUBRIP09;}
- }
-
- return SUB_INVALID; // too many bad lines
-}
-
-#ifdef CONFIG_ICONV
-static const char* guess_cp(stream_t *st, const char *preferred_language, const char *fallback);
-
-static iconv_t subcp_open (stream_t *st, const char *sub_cp)
-{
- iconv_t icdsc = (iconv_t)(-1);
- char *tocp = "UTF-8";
-
- if (sub_cp){
- const char *cp_tmp = sub_cp;
-#ifdef CONFIG_ENCA
- char enca_lang[3], enca_fallback[100];
- if (sscanf(sub_cp, "enca:%2s:%99s", enca_lang, enca_fallback) == 2
- || sscanf(sub_cp, "ENCA:%2s:%99s", enca_lang, enca_fallback) == 2) {
- if (st && st->flags & MP_STREAM_SEEK ) {
- cp_tmp = guess_cp(st, enca_lang, enca_fallback);
- } else {
- cp_tmp = enca_fallback;
- if (st)
- mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: enca failed, stream must be seekable.\n");
- }
- }
-#endif
- if ((icdsc = iconv_open (tocp, cp_tmp)) != (iconv_t)(-1)){
- mp_msg(MSGT_SUBREADER,MSGL_V,"SUB: opened iconv descriptor.\n");
- } else
- mp_msg(MSGT_SUBREADER,MSGL_ERR,"SUB: error opening iconv descriptor.\n");
- }
- return icdsc;
-}
-
-static void subcp_close (iconv_t icdsc)
-{
- if (icdsc != (iconv_t)(-1)){
- (void) iconv_close (icdsc);
- mp_msg(MSGT_SUBREADER,MSGL_V,"SUB: closed iconv descriptor.\n");
- }
-}
-
-static subtitle* subcp_recode (iconv_t icdsc, subtitle *sub)
-{
- int l=sub->lines;
- size_t ileft, oleft;
- char *op, *ip, *ot;
- if(icdsc == (iconv_t)(-1)) return sub;
-
- while (l){
- ip = sub->text[--l];
- ileft = strlen(ip);
- oleft = 4 * ileft;
-
- if (!(ot = malloc(oleft + 1)))
- abort();
- op = ot;
- if (iconv(icdsc, &ip, &ileft,
- &op, &oleft) == (size_t)(-1)) {
- mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: error recoding line.\n");
- free(ot);
- continue;
- }
- // In some stateful encodings, we must clear the state to handle the last character
- if (iconv(icdsc, NULL, NULL,
- &op, &oleft) == (size_t)(-1)) {
- mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: error recoding line, can't clear encoding state.\n");
- }
- *op='\0' ;
- free (sub->text[l]);
- sub->text[l] = ot;
- }
- return sub;
-}
-#endif
-
-static void adjust_subs_time(subtitle* sub, float subtime, float fps,
- float sub_fps, int block,
- int sub_num, int sub_uses_time) {
- int n,m;
- subtitle* nextsub;
- int i = sub_num;
- unsigned long subfms = (sub_uses_time ? 100 : fps) * subtime;
- unsigned long overlap = (sub_uses_time ? 100 : fps) / 5; // 0.2s
-
- n=m=0;
- if (i) for (;;){
- if (sub->end <= sub->start){
- sub->end = sub->start + subfms;
- m++;
- n++;
- }
- if (!--i) break;
- nextsub = sub + 1;
- if(block){
- if ((sub->end > nextsub->start) && (sub->end <= nextsub->start + overlap)) {
- // these subtitles overlap for less than 0.2 seconds
- // and would result in very short overlapping subtitle
- // so let's fix the problem here, before overlapping code
- // get its hands on them
- unsigned delta = sub->end - nextsub->start, half = delta / 2;
- sub->end -= half + 1;
- nextsub->start += delta - half;
- }
- if (sub->end >= nextsub->start){
- sub->end = nextsub->start - 1;
- if (sub->end - sub->start > subfms)
- sub->end = sub->start + subfms;
- if (!m)
- n++;
- }
- }
-
- /* Theory:
- * Movies are often converted from FILM (24 fps)
- * to PAL (25) by simply speeding it up, so we
- * to multiply the original timestmaps by
- * (Movie's FPS / Subtitle's (guessed) FPS)
- * so eg. for 23.98 fps movie and PAL time based
- * subtitles we say -subfps 25 and we're fine!
- */
-
- /* timed sub fps correction ::atmos */
- /* the frame-based case is handled in mpcommon.c
- * where find_sub is called */
- if(sub_uses_time && sub_fps) {
- sub->start *= sub_fps/fps;
- sub->end *= sub_fps/fps;
- }
-
- sub = nextsub;
- m = 0;
- }
- if (n) mp_msg(MSGT_SUBREADER,MSGL_V,"SUB: Adjusted %d subtitle(s).\n", n);
-}
-
-struct subreader {
- subtitle * (*read)(stream_t *st, subtitle *dest,
- struct readline_args *args);
- void (*post)(subtitle *dest);
- const char *name;
- const char *codec_name;
-};
-
-#ifdef CONFIG_ENCA
-static const char* guess_buffer_cp(unsigned char* buffer, int buflen, const char *preferred_language, const char *fallback)
-{
- const char **languages;
- size_t langcnt;
- EncaAnalyser analyser;
- EncaEncoding encoding;
- const char *detected_sub_cp = NULL;
- int i;
-
- languages = enca_get_languages(&langcnt);
- mp_msg(MSGT_SUBREADER, MSGL_V, "ENCA supported languages: ");
- for (i = 0; i < langcnt; i++) {
- mp_msg(MSGT_SUBREADER, MSGL_V, "%s ", languages[i]);
- }
- mp_msg(MSGT_SUBREADER, MSGL_V, "\n");
-
- for (i = 0; i < langcnt; i++) {
- if (strcasecmp(languages[i], preferred_language) != 0) continue;
- analyser = enca_analyser_alloc(languages[i]);
- encoding = enca_analyse_const(analyser, buffer, buflen);
- enca_analyser_free(analyser);
- if (encoding.charset != ENCA_CS_UNKNOWN) {
- detected_sub_cp = enca_charset_name(encoding.charset, ENCA_NAME_STYLE_ICONV);
- break;
- }
- }
-
- free(languages);
-
- if (!detected_sub_cp) {
- detected_sub_cp = fallback;
- mp_msg(MSGT_SUBREADER, MSGL_INFO, "ENCA detection failed: fallback to %s\n", fallback);
- }else{
- mp_msg(MSGT_SUBREADER, MSGL_INFO, "ENCA detected charset: %s\n", detected_sub_cp);
- }
-
- return detected_sub_cp;
-}
-
-#define MAX_GUESS_BUFFER_SIZE (256*1024)
-static const char* guess_cp(stream_t *st, const char *preferred_language, const char *fallback)
-{
- size_t buflen;
- unsigned char *buffer;
- const char *detected_sub_cp = NULL;
-
- buffer = malloc(MAX_GUESS_BUFFER_SIZE);
- buflen = stream_read(st,buffer, MAX_GUESS_BUFFER_SIZE);
-
- detected_sub_cp = guess_buffer_cp(buffer, buflen, preferred_language, fallback);
-
- free(buffer);
- stream_seek(st,0);
-
- return detected_sub_cp;
-}
-#undef MAX_GUESS_BUFFER_SIZE
-#endif
-
-static int sub_destroy(void *ptr);
-
-sub_data* sub_read_file(char *filename, float fps, struct MPOpts *opts)
-{
- int utf16;
- stream_t* fd;
- int n_max, n_first, i, j, sub_first, sub_orig;
- subtitle *first, *second, *sub, *return_sub, *alloced_sub = NULL;
- sub_data *subt_data;
- int uses_time = 0, sub_num = 0, sub_errs = 0;
- static const struct subreader sr[]=
- {
- { sub_read_line_microdvd, NULL, "microdvd", "microdvd" },
- { sub_read_line_subrip, NULL, "subviewer" },
- { sub_read_line_subviewer, NULL, "subrip", "subrip" },
- { sub_read_line_sami, NULL, "sami" },
- { sub_read_line_vplayer, NULL, "vplayer" },
- { sub_read_line_rt, NULL, "rt" },
- { sub_read_line_ssa, NULL, "ssa", "ass-text" },
- { sub_read_line_pjs, NULL, "pjs" },
- { sub_read_line_mpsub, NULL, "mpsub" },
- { sub_read_line_aqt, NULL, "aqt" },
- { sub_read_line_subviewer2, NULL, "subviewer 2.0" },
- { sub_read_line_subrip09, NULL, "subrip 0.9" },
- { sub_read_line_jacosub, NULL, "jacosub" },
- { sub_read_line_mpl2, NULL, "mpl2" }
- };
- const struct subreader *srp;
-
- if(filename==NULL) return NULL; //qnx segfault
- fd=open_stream (filename, NULL, NULL); if (!fd) return NULL;
-
- int sub_format = SUB_INVALID;
- for (utf16 = 0; sub_format == SUB_INVALID && utf16 < 3; utf16++) {
- sub_format=sub_autodetect (fd, &uses_time, utf16);
- stream_seek(fd,0);
- }
- utf16--;
-
- struct readline_args args = {utf16, opts};
- args.sub_slacktime = 20000; //20 sec
- args.mpsub_multiplier = (uses_time ? 100.0 : 1.0);
-
- if (sub_format==SUB_INVALID) {
- mp_msg(MSGT_SUBREADER,MSGL_WARN,"SUB: Could not determine file format\n");
- free_stream(fd);
- return NULL;
- }
- srp=sr+sub_format;
- mp_msg(MSGT_SUBREADER, MSGL_V, "SUB: Detected subtitle file format: %s\n", srp->name);
-
-#ifdef CONFIG_ICONV
- iconv_t icdsc = (iconv_t)(-1);
- {
- int l,k;
- k = -1;
- if ((l=strlen(filename))>4){
- char *exts[] = {".utf", ".utf8", ".utf-8" };
- for (k=3;--k>=0;)
- if (l >= strlen(exts[k]) && !strcasecmp(filename+(l - strlen(exts[k])), exts[k])){
- break;
- }
- }
- if (k<0) icdsc = subcp_open(fd, opts->sub_cp);
- }
-#endif
-
- sub_num=0;n_max=32;
- first=malloc(n_max*sizeof(subtitle));
- if (!first)
- abort();
-
- alloced_sub =
- sub = malloc(sizeof(subtitle));
- //This is to deal with those formats (AQT & Subrip) which define the end of a subtitle
- //as the beginning of the following
- args.previous_sub_end = 0;
- while(1){
- if(sub_num>=n_max){
- n_max+=16;
- first=realloc(first,n_max*sizeof(subtitle));
- }
- memset(sub, '\0', sizeof(subtitle));
- sub=srp->read(fd, sub, &args);
- if(!sub) break; // EOF
-#ifdef CONFIG_ICONV
- if (sub!=ERR) sub=subcp_recode(icdsc, sub);
-#endif
- if ( sub == ERR )
- {
-#ifdef CONFIG_ICONV
- subcp_close(icdsc);
-#endif
- free(first);
- free(alloced_sub);
- free_stream(fd);
- return NULL;
- }
- // Apply any post processing that needs recoding first
- if ((sub!=ERR) && !args.opts->sub_no_text_pp && srp->post) srp->post(sub);
- if(!sub_num || (first[sub_num - 1].start <= sub->start)){
- first[sub_num].start = sub->start;
- first[sub_num].end = sub->end;
- first[sub_num].lines = sub->lines;
- first[sub_num].alignment = sub->alignment;
- for(i = 0; i < sub->lines; ++i){
- first[sub_num].text[i] = sub->text[i];
- }
- if (args.previous_sub_end){
- first[sub_num - 1].end = args.previous_sub_end;
- args.previous_sub_end = 0;
- }
- } else {
- for(j = sub_num - 1; j >= 0; --j){
- first[j + 1].start = first[j].start;
- first[j + 1].end = first[j].end;
- first[j + 1].lines = first[j].lines;
- first[j + 1].alignment = first[j].alignment;
- for(i = 0; i < first[j].lines; ++i){
- first[j + 1].text[i] = first[j].text[i];
- }
- if(!j || (first[j - 1].start <= sub->start)){
- first[j].start = sub->start;
- first[j].end = sub->end;
- first[j].lines = sub->lines;
- first[j].alignment = sub->alignment;
- for(i = 0; i < SUB_MAX_TEXT; ++i){
- first[j].text[i] = sub->text[i];
- }
- if (args.previous_sub_end){
- first[j].end = first[j - 1].end;
- first[j - 1].end = args.previous_sub_end;
- args.previous_sub_end = 0;
- }
- break;
- }
- }
- }
- if(sub==ERR) ++sub_errs; else ++sub_num; // Error vs. Valid
- }
-
- free_stream(fd);
-
-#ifdef CONFIG_ICONV
- subcp_close(icdsc);
-#endif
- free(alloced_sub);
-
-// printf ("SUB: Subtitle format %s time.\n", uses_time?"uses":"doesn't use");
- mp_msg(MSGT_SUBREADER, MSGL_V,"SUB: Read %i subtitles, %i bad line(s).\n",
- sub_num, sub_errs);
-
- if(sub_num<=0){
- free(first);
- return NULL;
- }
-
- // we do overlap if the user forced it (suboverlap_enable == 2) or
- // the user didn't forced no-overlapsub and the format is Jacosub or Ssa.
- // this is because usually overlapping subtitles are found in these formats,
- // while in others they are probably result of bad timing
-if ((opts->suboverlap_enabled == 2) ||
- ((opts->suboverlap_enabled) && ((sub_format == SUB_JACOSUB) || (sub_format == SUB_SSA)))) {
- adjust_subs_time(first, 6.0, fps, opts->sub_fps, 0, sub_num, uses_time);/*~6 secs AST*/
-// here we manage overlapping subtitles
- sub_orig = sub_num;
- n_first = sub_num;
- sub_num = 0;
- second = NULL;
- // for each subtitle in first[] we deal with its 'block' of
- // bonded subtitles
- for (sub_first = 0; sub_first < n_first; ++sub_first) {
- unsigned long global_start = first[sub_first].start,
- global_end = first[sub_first].end, local_start, local_end;
- int lines_to_add = first[sub_first].lines, sub_to_add = 0,
- **placeholder = NULL, higher_line = 0, counter, start_block_sub = sub_num;
- char real_block = 1;
-
- // here we find the number of subtitles inside the 'block'
- // and its span interval. this works well only with sorted
- // subtitles
- while ((sub_first + sub_to_add + 1 < n_first) && (first[sub_first + sub_to_add + 1].start < global_end)) {
- ++sub_to_add;
- lines_to_add += first[sub_first + sub_to_add].lines;
- if (first[sub_first + sub_to_add].start < global_start) {
- global_start = first[sub_first + sub_to_add].start;
- }
- if (first[sub_first + sub_to_add].end > global_end) {
- global_end = first[sub_first + sub_to_add].end;
- }
- }
-
- /* Avoid n^2 memory use for the "placeholder" data structure
- * below with subtitles that have a huge number of
- * consecutive overlapping lines. */
- lines_to_add = FFMIN(lines_to_add, SUB_MAX_TEXT);
-
- // we need a structure to keep trace of the screen lines
- // used by the subs, a 'placeholder'
- counter = 2 * sub_to_add + 1; // the maximum number of subs derived
- // from a block of sub_to_add+1 subs
- placeholder = malloc(sizeof(int *) * counter);
- for (i = 0; i < counter; ++i) {
- placeholder[i] = malloc(sizeof(int) * lines_to_add + 1);
- for (j = 0; j < lines_to_add; ++j) {
- placeholder[i][j] = -1;
- }
- }
-
- counter = 0;
- local_end = global_start - 1;
- do {
- int ls;
-
- // here we find the beginning and the end of a new
- // subtitle in the block
- local_start = local_end + 1;
- local_end = global_end;
- for (j = 0; j <= sub_to_add; ++j) {
- if ((first[sub_first + j].start - 1 > local_start) && (first[sub_first + j].start - 1 < local_end)) {
- local_end = first[sub_first + j].start - 1;
- } else if ((first[sub_first + j].end > local_start) && (first[sub_first + j].end < local_end)) {
- local_end = first[sub_first + j].end;
- }
- }
- // here we allocate the screen lines to subs we must
- // display in current local_start-local_end interval.
- // if the subs were yet presents in the previous interval
- // they keep the same lines, otherside they get unused lines
- for (j = 0; j <= sub_to_add; ++j) {
- if ((first[sub_first + j].start <= local_end) && (first[sub_first + j].end > local_start)) {
- unsigned long sub_lines = first[sub_first + j].lines, fragment_length = lines_to_add + 1,
- tmp = 0;
- char boolean = 0;
- int fragment_position = -1;
-
- // if this is not the first new sub of the block
- // we find if this sub was present in the previous
- // new sub
- if (counter)
- for (i = 0; i < lines_to_add; ++i) {
- if (placeholder[counter - 1][i] == sub_first + j) {
- placeholder[counter][i] = sub_first + j;
- boolean = 1;
- }
- }
- if (boolean)
- continue;
-
- // we are looking for the shortest among all groups of
- // sequential blank lines whose length is greater than or
- // equal to sub_lines. we store in fragment_position the
- // position of the shortest group, in fragment_length its
- // length, and in tmp the length of the group currently
- // examinated
- for (i = 0; i < lines_to_add; ++i) {
- if (placeholder[counter][i] == -1) {
- // placeholder[counter][i] is part of the current group
- // of blank lines
- ++tmp;
- } else {
- if (tmp == sub_lines) {
- // current group's size fits exactly the one we
- // need, so we stop looking
- fragment_position = i - tmp;
- tmp = 0;
- break;
- }
- if ((tmp) && (tmp > sub_lines) && (tmp < fragment_length)) {
- // current group is the best we found till here,
- // but is still bigger than the one we are looking
- // for, so we keep on looking
- fragment_length = tmp;
- fragment_position = i - tmp;
- tmp = 0;
- } else {
- // current group doesn't fit at all, so we forget it
- tmp = 0;
- }
- }
- }
- if (tmp) {
- // last screen line is blank, a group ends with it
- if ((tmp >= sub_lines) && (tmp < fragment_length)) {
- fragment_position = i - tmp;
- }
- }
- if (fragment_position == -1) {
- // it was not possible to find free screen line(s) for a subtitle,
- // usually this means a bug in the code; however we do not overlap
- mp_msg(MSGT_SUBREADER, MSGL_WARN, "SUB: we could not find a suitable position for an overlapping subtitle\n");
- higher_line = SUB_MAX_TEXT + 1;
- break;
- } else {
- for (tmp = 0; tmp < sub_lines; ++tmp) {
- placeholder[counter][fragment_position + tmp] = sub_first + j;
- }
- }
- }
- }
- for (j = higher_line + 1; j < lines_to_add; ++j) {
- if (placeholder[counter][j] != -1)
- higher_line = j;
- else
- break;
- }
- if (higher_line >= SUB_MAX_TEXT) {
- // the 'block' has too much lines, so we don't overlap the
- // subtitles
- second = realloc(second, (sub_num + sub_to_add + 1) * sizeof(subtitle));
- for (j = 0; j <= sub_to_add; ++j) {
- int ls;
- memset(&second[sub_num + j], '\0', sizeof(subtitle));
- second[sub_num + j].start = first[sub_first + j].start;
- second[sub_num + j].end = first[sub_first + j].end;
- second[sub_num + j].lines = first[sub_first + j].lines;
- second[sub_num + j].alignment = first[sub_first + j].alignment;
- for (ls = 0; ls < second[sub_num + j].lines; ls++) {
- second[sub_num + j].text[ls] = strdup(first[sub_first + j].text[ls]);
- }
- }
- sub_num += sub_to_add + 1;
- sub_first += sub_to_add;
- real_block = 0;
- break;
- }
-
- // we read the placeholder structure and create the new
- // subs.
- second = realloc(second, (sub_num + 1) * sizeof(subtitle));
- memset(&second[sub_num], '\0', sizeof(subtitle));
- second[sub_num].start = local_start;
- second[sub_num].end = local_end;
- second[sub_num].alignment = first[sub_first].alignment;
- n_max = (lines_to_add < SUB_MAX_TEXT) ? lines_to_add : SUB_MAX_TEXT;
- for (i = 0, j = 0; j < n_max; ++j) {
- if (placeholder[counter][j] != -1) {
- int lines = first[placeholder[counter][j]].lines;
- for (ls = 0; ls < lines; ++ls) {
- second[sub_num].text[i++] = strdup(first[placeholder[counter][j]].text[ls]);
- }
- j += lines - 1;
- } else {
- second[sub_num].text[i++] = strdup(" ");
- }
- }
- ++sub_num;
- ++counter;
- } while (local_end < global_end);
- if (real_block)
- for (i = 0; i < counter; ++i)
- second[start_block_sub + i].lines = higher_line + 1;
-
- counter = 2 * sub_to_add + 1;
- for (i = 0; i < counter; ++i) {
- free(placeholder[i]);
- }
- free(placeholder);
- sub_first += sub_to_add;
- }
-
- for (j = sub_orig - 1; j >= 0; --j) {
- for (i = first[j].lines - 1; i >= 0; --i) {
- free(first[j].text[i]);
- }
- }
- free(first);
-
- return_sub = second;
-} else { //if(suboverlap_enabled)
- adjust_subs_time(first, 6.0, fps, opts->sub_fps, 1, sub_num, uses_time);/*~6 secs AST*/
- return_sub = first;
-}
- if (return_sub == NULL) return NULL;
- subt_data = talloc_zero(NULL, sub_data);
- talloc_set_destructor(subt_data, sub_destroy);
- subt_data->codec = srp->codec_name ? srp->codec_name : "text";
- subt_data->filename = strdup(filename);
- subt_data->sub_uses_time = uses_time;
- subt_data->sub_num = sub_num;
- subt_data->sub_errs = sub_errs;
- subt_data->subtitles = return_sub;
- subt_data->fallback_fps = fps;
- return subt_data;
-}
-
-static int sub_destroy(void *ptr)
-{
- sub_data *subd = ptr;
- int i, j;
- for (i = 0; i < subd->sub_num; i++)
- for (j = 0; j < subd->subtitles[i].lines; j++)
- free( subd->subtitles[i].text[j] );
- free( subd->subtitles );
- free( subd->filename );
- return 0;
-}
diff --git a/sub/subreader.h b/sub/subreader.h
deleted file mode 100644
index 3b2e53efd8..0000000000
--- a/sub/subreader.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef MPLAYER_SUBREADER_H
-#define MPLAYER_SUBREADER_H
-
-#include <stdio.h>
-#include <stdbool.h>
-
-#include "config.h"
-
-// subtitle formats
-#define SUB_INVALID -1
-#define SUB_MICRODVD 0
-#define SUB_SUBRIP 1
-#define SUB_SUBVIEWER 2
-#define SUB_SAMI 3
-#define SUB_VPLAYER 4
-#define SUB_RT 5
-#define SUB_SSA 6
-#define SUB_PJS 7
-#define SUB_MPSUB 8
-#define SUB_AQTITLE 9
-#define SUB_SUBVIEWER2 10
-#define SUB_SUBRIP09 11
-#define SUB_JACOSUB 12
-#define SUB_MPL2 13
-
-#define SUB_MAX_TEXT 12
-#define SUB_ALIGNMENT_BOTTOMLEFT 1
-#define SUB_ALIGNMENT_BOTTOMCENTER 2
-#define SUB_ALIGNMENT_BOTTOMRIGHT 3
-#define SUB_ALIGNMENT_MIDDLELEFT 4
-#define SUB_ALIGNMENT_MIDDLECENTER 5
-#define SUB_ALIGNMENT_MIDDLERIGHT 6
-#define SUB_ALIGNMENT_TOPLEFT 7
-#define SUB_ALIGNMENT_TOPCENTER 8
-#define SUB_ALIGNMENT_TOPRIGHT 9
-
-typedef struct subtitle {
-
- int lines;
-
- unsigned long start;
- unsigned long end;
-
- char *text[SUB_MAX_TEXT];
- unsigned char alignment;
-} subtitle;
-
-typedef struct sub_data {
- const char *codec;
- subtitle *subtitles;
- char *filename;
- int sub_uses_time;
- int sub_num; // number of subtitle structs
- int sub_errs;
- double fallback_fps;
-} sub_data;
-
-struct MPOpts;
-sub_data* sub_read_file (char *filename, float pts, struct MPOpts *opts);
-
-#endif /* MPLAYER_SUBREADER_H */