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-rw-r--r--libvo/vo_md5sum.c351
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diff --git a/libvo/vo_md5sum.c b/libvo/vo_md5sum.c
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+/* ------------------------------------------------------------------------- */
+
+/*
+ * vo_md5sum.c, md5sum Video Output Driver for MPlayer
+ *
+ *
+ * Written by Ivo van Poorten. (GPL)2004
+ *
+ *
+ * Changelog
+ *
+ * 2004-09-13 First draft.
+ * 2004-09-16 Second draft. It now acts on VOCTRL_DRAW_IMAGE and does not
+ * maintain a local copy of the image if the format is YV12.
+ * Speed improvement and uses less memory.
+ *
+ */
+
+/* ------------------------------------------------------------------------- */
+
+/* Global Includes */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+/* ------------------------------------------------------------------------- */
+
+/* Local Includes */
+
+#include "config.h"
+#include "mp_msg.h"
+#include "video_out.h"
+#include "video_out_internal.h"
+#include "mplayer.h" /* for exit_player() */
+#include "help_mp.h"
+#include "md5sum.h"
+
+/* ------------------------------------------------------------------------- */
+
+/* Defines */
+
+/* Used for temporary buffers to store file- and pathnames */
+#define BUFLENGTH 512
+
+/* ------------------------------------------------------------------------- */
+
+/* Info */
+
+static vo_info_t info=
+{
+ "md5sum of each frame",
+ "md5sum",
+ "Ivo van Poorten (ivop@euronet.nl)",
+ ""
+};
+
+LIBVO_EXTERN (md5sum)
+
+/* ------------------------------------------------------------------------- */
+
+/* Global Variables */
+
+char *md5sum_outfile = NULL;
+
+FILE *md5sum_fd;
+int framenum = 0;
+
+/* ------------------------------------------------------------------------- */
+
+/** \brief Memory allocation failed.
+ *
+ * The video output driver failed to allocate a block of memory it needed.
+ * It displays a message and exits the player.
+ *
+ * \return nothing It does not return.
+ */
+
+void md5sum_malloc_failed(void) {
+ mp_msg(MSGT_VO, MSGL_ERR, "%s: %s\n", info.short_name,
+ MSGTR_MemAllocFailed);
+ exit_player(MSGTR_Exit_error);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/** \brief An error occured while writing to a file.
+ *
+ * The program failed to write data to a file.
+ * It displays a message and exits the player.
+ *
+ * \return nothing It does not return.
+ */
+
+void md5sum_write_error(void) {
+ mp_msg(MSGT_VO, MSGL_ERR, MSGTR_ErrorWritingFile, info.short_name);
+ exit_player(MSGTR_Exit_error);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/** \brief Pre-initialisation.
+ *
+ * This function is called before initialising the video output driver. It
+ * parses all suboptions and sets variables accordingly. If an error occurs
+ * (like an option being out of range, not having any value or an unknown
+ * option is stumbled upon) the player will exit. It also sets default
+ * values if necessary.
+ *
+ * \param arg A string containing all the suboptions passed to the video
+ * output driver.
+ *
+ * \return 0 All went well.
+ */
+
+static uint32_t preinit(const char *arg)
+{
+ char *buf; /* buf is used to store parsed string values */
+
+ mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name,
+ MSGTR_VO_ParsingSuboptions);
+
+ if (arg) {
+
+ while (*arg != '\0') {
+ if (!strncmp(arg, ":", 1)) {
+ arg++;
+ continue; /* multiple ':' is not really an error */
+ } else if (!strncmp(arg, "outfile=", 8)) {
+ arg += 8;
+ buf = malloc(strlen(arg)+1); /* maximum length possible */
+ if (!buf) {
+ md5sum_malloc_failed(); /* message and exit_player! */
+ }
+ if (sscanf(arg, "%[^:]", buf) == 1) {
+ mp_msg(MSGT_VO, MSGL_INFO, "%s: %s --> %s\n",
+ info.short_name, "outfile", buf);
+ arg += strlen(buf);
+ md5sum_outfile = strdup(buf);
+ if (!md5sum_outfile) md5sum_malloc_failed();
+ free(buf);
+ } else {
+ mp_msg(MSGT_VO, MSGL_ERR, "%s: %s - %s\n",
+ info.short_name, "outfile",
+ MSGTR_VO_NoValueSpecified);
+ exit_player(MSGTR_Exit_error);
+ }
+ } else {
+ mp_msg(MSGT_VO, MSGL_ERR, "%s: %s %-20s...\n", info.short_name,
+ MSGTR_VO_UnknownSuboptions, arg);
+ exit_player(MSGTR_Exit_error);
+ }
+ } /* end while */
+ } /* endif */
+
+ /* If md5sum_outfile is not set by an option, resort to default of
+ "md5sums" */
+ if (!md5sum_outfile) {
+ md5sum_outfile = strdup("md5sums");
+ if (!md5sum_outfile) md5sum_malloc_failed();
+ }
+
+ mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name,
+ MSGTR_VO_SuboptionsParsedOK);
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/** \brief Configure the video output driver.
+ *
+ * This functions configures the video output driver. It opens the output
+ * file to which this driver will write all the MD5 sums. If something
+ * goes wrong, the player will exit.
+ *
+ * \return 0 All went well.
+ */
+
+static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
+ uint32_t d_height, uint32_t fullscreen, char *title,
+ uint32_t format)
+{
+ if (vo_config_count > 0 ) { /* Already configured */
+ return 0;
+ }
+
+ if ( (md5sum_fd = fopen(md5sum_outfile, "w") ) == NULL ) {
+ mp_msg(MSGT_VO, MSGL_ERR, "\n%s: %s\n", info.short_name,
+ MSGTR_VO_CantCreateFile);
+ mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n",
+ info.short_name, MSGTR_VO_GenericError, strerror(errno) );
+ exit_player(MSGTR_Exit_error);
+ }
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/** \brief Write MD5 sum to output file.
+ *
+ * This function writes an ASCII representation of a 16-byte hexadecimal
+ * MD5 sum to our output file. The file descriptor is a global variable.
+ *
+ * \param md5sum Sixteen bytes that represent an MD5 sum.
+ *
+ * \return None The player will exit if a write error occurs.
+ */
+
+static void md5sum_output_sum(unsigned char *md5sum) {
+ int i;
+
+ for(i=0; i<16; i++) {
+ if ( fprintf(md5sum_fd, "%02x", md5sum[i]) < 0 ) md5sum_write_error();
+ }
+ if ( fprintf(md5sum_fd, " frame%08d\n", framenum) < 0 )
+ md5sum_write_error();
+
+ framenum++;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static uint32_t draw_frame(uint8_t *src[])
+{
+ mp_msg(MSGT_VO, MSGL_V, "%s: draw_frame() is called!\n", info.short_name);
+ return -1;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static uint32_t draw_image(mp_image_t *mpi)
+{
+ unsigned char md5sum[16];
+ uint32_t w = mpi->w;
+ uint32_t h = mpi->h;
+ uint8_t *rgbimage = mpi->planes[0];
+ uint8_t *planeY = mpi->planes[0];
+ uint8_t *planeU = mpi->planes[1];
+ uint8_t *planeV = mpi->planes[2];
+ uint32_t strideY = mpi->stride[0];
+ uint32_t strideU = mpi->stride[1];
+ uint32_t strideV = mpi->stride[2];
+
+ auth_md5Ctx md5_context;
+ int i;
+
+ if (mpi->flags & MP_IMGFLAG_PLANAR) { /* Planar */
+ if (mpi->flags & MP_IMGFLAG_YUV) { /* Planar YUV */
+ auth_md5InitCtx(&md5_context);
+ for (i=0; i<h; i++) {
+ auth_md5SumCtx(&md5_context, planeY + i * strideY, w);
+ }
+ w = w / 2;
+ h = h / 2;
+ for (i=0; i<h; i++) {
+ auth_md5SumCtx(&md5_context, planeU + i * strideU, w);
+ auth_md5SumCtx(&md5_context, planeV + i * strideV, w);
+ }
+ auth_md5CloseCtx(&md5_context, md5sum);
+ md5sum_output_sum(md5sum);
+ return VO_TRUE;
+ } else { /* Planar RGB */
+ return VO_FALSE;
+ }
+ } else { /* Packed */
+ if (mpi->flags & MP_IMGFLAG_YUV) { /* Packed YUV */
+
+ return VO_FALSE;
+ } else { /* Packed RGB */
+ auth_md5Sum(md5sum, rgbimage, mpi->w * (mpi->bpp >> 3) * mpi->h);
+ md5sum_output_sum(md5sum);
+ return VO_TRUE;
+ }
+ }
+
+ return VO_FALSE;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static uint32_t draw_slice(uint8_t *src[], int stride[], int w, int h,
+ int x, int y)
+{
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static uint32_t query_format(uint32_t format)
+{
+ switch (format) {
+ case IMGFMT_RGB24:
+ case IMGFMT_YV12:
+ return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
+ default:
+ return 0;
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+
+static uint32_t control(uint32_t request, void *data, ...)
+{
+ switch (request) {
+ case VOCTRL_QUERY_FORMAT:
+ return query_format(*((uint32_t*)data));
+ case VOCTRL_DRAW_IMAGE:
+ return draw_image(data);
+ }
+ return VO_NOTIMPL;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void uninit(void)
+{
+ if (md5sum_outfile) {
+ free(md5sum_outfile);
+ md5sum_outfile = NULL;
+ }
+ if (md5sum_fd) fclose(md5sum_fd);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void check_events(void)
+{
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void draw_osd(void)
+{
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void flip_page (void)
+{
+}
+
+/* ------------------------------------------------------------------------- */
+
+#undef BUFLENGTH
+#undef MD5SUM_RGB_MODE
+#undef MD5SUM_YUV_MODE
+
+/* ------------------------------------------------------------------------- */
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 00:44:03 +0000