diff options
author | 2002-03-25 21:06:01 +0000 | |
---|---|---|
committer | 2002-03-25 21:06:01 +0000 | |
commit | 7c026066ea35886bddfda08a71c0cc8f170a5d86 (patch) | |
tree | 963bf77f55faf2b9795502065ef95878fade190a /libmpcodecs/ad_roqaudio.c | |
parent | 94d3170bd0561939a0ec322860be1f28d711e271 (diff) |
imported from MPlayerXP, dlopen() hack removed, some bugs fixed, interface functions changed to static, info->author field added
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5341 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpcodecs/ad_roqaudio.c')
-rw-r--r-- | libmpcodecs/ad_roqaudio.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/libmpcodecs/ad_roqaudio.c b/libmpcodecs/ad_roqaudio.c new file mode 100644 index 0000000000..51fc5af14e --- /dev/null +++ b/libmpcodecs/ad_roqaudio.c @@ -0,0 +1,65 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "config.h" +#include "ad_internal.h" +#include "../roqav.h" +//#include "../adpcm.h" + +static ad_info_t info = +{ + "Id RoQ File Audio Decoder", + "roqaudio", + AFM_ROQAUDIO, + "Nick Kurshev", + "Mike Melanson ???" + "RoQA is an internal MPlayer FOURCC" +}; + +LIBAD_EXTERN(roqaudio) + +static int init(sh_audio_t *sh_audio) +{ + sh_audio->channels=sh_audio->wf->nChannels; + sh_audio->samplerate=sh_audio->wf->nSamplesPerSec; + sh_audio->i_bps = (sh_audio->channels * 22050) / 2; + return 1; +} + +static int preinit(sh_audio_t *sh_audio) +{ + /* minsize was stored in wf->nBlockAlign by the RoQ demuxer */ + sh_audio->audio_out_minsize=sh_audio->wf->nBlockAlign; + sh_audio->context = roq_decode_audio_init(); + return 1; +} + +static void uninit(sh_audio_t *sh) +{ +} + +static int control(sh_audio_t *sh,int cmd,void* arg, ...) +{ + // TODO!!! + return CONTROL_UNKNOWN; +} + +static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen) +{ + static unsigned char *ibuf = NULL; + unsigned char header_data[6]; + int read_len; + +// TODO!! FIXME!!! + if (!ibuf) ibuf = (unsigned char *)malloc(sh_audio->audio_out_minsize / 2); + + /* figure out how much data to read */ + if (demux_read_data(sh_audio->ds, header_data, 6) != 6) return -1; /* EOF */ + read_len = (header_data[5] << 24) | (header_data[4] << 16) | + (header_data[3] << 8) | header_data[2]; + read_len += 2; /* 16-bit arguments */ + if (demux_read_data(sh_audio->ds, ibuf, read_len) != read_len) return -1; + return 2 * roq_decode_audio((unsigned short *)buf, ibuf, + read_len, sh_audio->channels, sh_audio->context); +} |