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-rw-r--r--src/mpeg2dec.c800
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diff --git a/src/mpeg2dec.c b/src/mpeg2dec.c
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--- /dev/null
+++ b/src/mpeg2dec.c
@@ -0,0 +1,800 @@
+/*
+ * mpeg2dec.c
+ * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
+ * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+ *
+ * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
+ * See http://libmpeg2.sourceforge.net/ for updates.
+ *
+ * mpeg2dec 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.
+ *
+ * mpeg2dec 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <getopt.h>
+#ifdef HAVE_IO_H
+#include <fcntl.h>
+#include <io.h>
+#endif
+#ifdef LIBVO_SDL
+#include <SDL/SDL.h>
+#endif
+#include <inttypes.h>
+
+#include "mpeg2.h"
+#include "video_out.h"
+#include "gettimeofday.h"
+
+static int buffer_size = 4096;
+static FILE * in_file;
+static int demux_track = 0;
+static int demux_pid = 0;
+static int demux_pva = 0;
+static mpeg2dec_t * mpeg2dec;
+static vo_open_t * output_open = NULL;
+static vo_instance_t * output;
+static int sigint = 0;
+static int total_offset = 0;
+static int verbose = 0;
+
+void dump_state (FILE * f, mpeg2_state_t state, const mpeg2_info_t * info,
+ int offset, int verbose);
+
+#ifdef HAVE_GETTIMEOFDAY
+
+static RETSIGTYPE signal_handler (int sig)
+{
+ sigint = 1;
+ signal (sig, SIG_DFL);
+ return (RETSIGTYPE)0;
+}
+
+static void print_fps (int final)
+{
+ static uint32_t frame_counter = 0;
+ static struct timeval tv_beg, tv_start;
+ static int total_elapsed;
+ static int last_count = 0;
+ struct timeval tv_end;
+ double fps, tfps;
+ int frames, elapsed;
+
+ if (verbose)
+ return;
+
+ gettimeofday (&tv_end, NULL);
+
+ if (!frame_counter) {
+ tv_start = tv_beg = tv_end;
+ signal (SIGINT, signal_handler);
+ }
+
+ elapsed = (tv_end.tv_sec - tv_beg.tv_sec) * 100 +
+ (tv_end.tv_usec - tv_beg.tv_usec) / 10000;
+ total_elapsed = (tv_end.tv_sec - tv_start.tv_sec) * 100 +
+ (tv_end.tv_usec - tv_start.tv_usec) / 10000;
+
+ if (final) {
+ if (total_elapsed)
+ tfps = frame_counter * 100.0 / total_elapsed;
+ else
+ tfps = 0;
+
+ fprintf (stderr,"\n%d frames decoded in %.2f seconds (%.2f fps)\n",
+ frame_counter, total_elapsed / 100.0, tfps);
+
+ return;
+ }
+
+ frame_counter++;
+
+ if (elapsed < 50) /* only display every 0.50 seconds */
+ return;
+
+ tv_beg = tv_end;
+ frames = frame_counter - last_count;
+
+ fps = frames * 100.0 / elapsed;
+ tfps = frame_counter * 100.0 / total_elapsed;
+
+ fprintf (stderr, "%d frames in %.2f sec (%.2f fps), "
+ "%d last %.2f sec (%.2f fps)\033[K\r", frame_counter,
+ total_elapsed / 100.0, tfps, frames, elapsed / 100.0, fps);
+
+ last_count = frame_counter;
+}
+
+#else /* !HAVE_GETTIMEOFDAY */
+
+static void print_fps (int final)
+{
+}
+
+#endif
+
+static void print_usage (char ** argv)
+{
+ int i;
+ vo_driver_t const * drivers;
+
+ fprintf (stderr, "usage: "
+ "%s [-h] [-o <mode>] [-s [<track>]] [-t <pid>] [-p] [-c] \\\n"
+ "\t\t[-v] [-b <bufsize>] <file>\n"
+ "\t-h\tdisplay help and available video output modes\n"
+ "\t-s\tuse program stream demultiplexer, "
+ "track 0-15 or 0xe0-0xef\n"
+ "\t-t\tuse transport stream demultiplexer, pid 0x10-0x1ffe\n"
+ "\t-p\tuse pva demultiplexer\n"
+ "\t-c\tuse c implementation, disables all accelerations\n"
+ "\t-v\tverbose information about the MPEG stream\n"
+ "\t-b\tset input buffer size, default 4096 bytes\n"
+ "\t-o\tvideo output mode\n", argv[0]);
+
+ drivers = vo_drivers ();
+ for (i = 0; drivers[i].name; i++)
+ fprintf (stderr, "\t\t\t%s\n", drivers[i].name);
+
+ exit (1);
+}
+
+static void handle_args (int argc, char ** argv)
+{
+ int c;
+ vo_driver_t const * drivers;
+ int i;
+ char * s;
+
+ drivers = vo_drivers ();
+ while ((c = getopt (argc, argv, "hs::t:pco:vb::")) != -1)
+ switch (c) {
+ case 'o':
+ for (i = 0; drivers[i].name != NULL; i++)
+ if (strcmp (drivers[i].name, optarg) == 0)
+ output_open = drivers[i].open;
+ if (output_open == NULL) {
+ fprintf (stderr, "Invalid video driver: %s\n", optarg);
+ print_usage (argv);
+ }
+ break;
+
+ case 's':
+ demux_track = 0xe0;
+ if (optarg != NULL) {
+ demux_track = strtol (optarg, &s, 0);
+ if (demux_track < 0xe0)
+ demux_track += 0xe0;
+ if (demux_track < 0xe0 || demux_track > 0xef || *s) {
+ fprintf (stderr, "Invalid track number: %s\n", optarg);
+ print_usage (argv);
+ }
+ }
+ break;
+
+ case 't':
+ demux_pid = strtol (optarg, &s, 0);
+ if (demux_pid < 0x10 || demux_pid > 0x1ffe || *s) {
+ fprintf (stderr, "Invalid pid: %s\n", optarg);
+ print_usage (argv);
+ }
+ break;
+
+ case 'p':
+ demux_pva = 1;
+ break;
+
+ case 'c':
+ mpeg2_accel (0);
+ break;
+
+ case 'v':
+ if (++verbose > 4)
+ print_usage (argv);
+ break;
+
+ case 'b':
+ buffer_size = 1;
+ if (optarg != NULL) {
+ buffer_size = strtol (optarg, &s, 0);
+ if (buffer_size < 1 || *s) {
+ fprintf (stderr, "Invalid buffer size: %s\n", optarg);
+ print_usage (argv);
+ }
+ }
+ break;
+
+ default:
+ print_usage (argv);
+ }
+
+ /* -o not specified, use a default driver */
+ if (output_open == NULL)
+ output_open = drivers[0].open;
+
+ if (optind < argc) {
+ in_file = fopen (argv[optind], "rb");
+ if (!in_file) {
+ fprintf (stderr, "%s - could not open file %s\n", strerror (errno),
+ argv[optind]);
+ exit (1);
+ }
+ } else
+ in_file = stdin;
+}
+
+static void * malloc_hook (unsigned size, mpeg2_alloc_t reason)
+{
+ void * buf;
+
+ /*
+ * Invalid streams can refer to fbufs that have not been
+ * initialized yet. For example the stream could start with a
+ * picture type onther than I. Or it could have a B picture before
+ * it gets two reference frames. Or, some slices could be missing.
+ *
+ * Consequently, the output depends on the content 2 output
+ * buffers have when the sequence begins. In release builds, this
+ * does not matter (garbage in, garbage out), but in test code, we
+ * always zero all our output buffers to:
+ * - make our test produce deterministic outputs
+ * - hint checkergcc that it is fine to read from all our output
+ * buffers at any time
+ */
+ if ((int)reason < 0) {
+ return NULL;
+ }
+ buf = mpeg2_malloc (size, (mpeg2_alloc_t)-1);
+ if (buf && (reason == MPEG2_ALLOC_YUV || reason == MPEG2_ALLOC_CONVERTED))
+ memset (buf, 0, size);
+ return buf;
+}
+
+static void decode_mpeg2 (uint8_t * current, uint8_t * end)
+{
+ const mpeg2_info_t * info;
+ mpeg2_state_t state;
+ vo_setup_result_t setup_result;
+
+ mpeg2_buffer (mpeg2dec, current, end);
+ total_offset += end - current;
+
+ info = mpeg2_info (mpeg2dec);
+ while (1) {
+ state = mpeg2_parse (mpeg2dec);
+ if (verbose)
+ dump_state (stderr, state, info,
+ total_offset - mpeg2_getpos (mpeg2dec), verbose);
+ switch (state) {
+ case STATE_BUFFER:
+ return;
+ case STATE_SEQUENCE:
+ /* might set nb fbuf, convert format, stride */
+ /* might set fbufs */
+ if (output->setup (output, info->sequence->width,
+ info->sequence->height,
+ info->sequence->chroma_width,
+ info->sequence->chroma_height, &setup_result)) {
+ fprintf (stderr, "display setup failed\n");
+ exit (1);
+ }
+ if (setup_result.convert &&
+ mpeg2_convert (mpeg2dec, setup_result.convert, NULL)) {
+ fprintf (stderr, "color conversion setup failed\n");
+ exit (1);
+ }
+ if (output->set_fbuf) {
+ uint8_t * buf[3];
+ void * id;
+
+ mpeg2_custom_fbuf (mpeg2dec, 1);
+ output->set_fbuf (output, buf, &id);
+ mpeg2_set_buf (mpeg2dec, buf, id);
+ output->set_fbuf (output, buf, &id);
+ mpeg2_set_buf (mpeg2dec, buf, id);
+ } else if (output->setup_fbuf) {
+ uint8_t * buf[3];
+ void * id;
+
+ output->setup_fbuf (output, buf, &id);
+ mpeg2_set_buf (mpeg2dec, buf, id);
+ output->setup_fbuf (output, buf, &id);
+ mpeg2_set_buf (mpeg2dec, buf, id);
+ output->setup_fbuf (output, buf, &id);
+ mpeg2_set_buf (mpeg2dec, buf, id);
+ }
+ mpeg2_skip (mpeg2dec, (output->draw == NULL));
+ break;
+ case STATE_PICTURE:
+ /* might skip */
+ /* might set fbuf */
+ if (output->set_fbuf) {
+ uint8_t * buf[3];
+ void * id;
+
+ output->set_fbuf (output, buf, &id);
+ mpeg2_set_buf (mpeg2dec, buf, id);
+ }
+ if (output->start_fbuf)
+ output->start_fbuf (output, info->current_fbuf->buf,
+ info->current_fbuf->id);
+ break;
+ case STATE_SLICE:
+ case STATE_END:
+ case STATE_INVALID_END:
+ /* draw current picture */
+ /* might free frame buffer */
+ if (info->display_fbuf) {
+ if (output->draw)
+ output->draw (output, info->display_fbuf->buf,
+ info->display_fbuf->id);
+ print_fps (0);
+ }
+ if (output->discard && info->discard_fbuf)
+ output->discard (output, info->discard_fbuf->buf,
+ info->discard_fbuf->id);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+#define DEMUX_PAYLOAD_START 1
+static int demux (uint8_t * buf, uint8_t * end, int flags)
+{
+ static int mpeg1_skip_table[16] = {
+ 0, 0, 4, 9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ };
+
+ /*
+ * the demuxer keeps some state between calls:
+ * if "state" = DEMUX_HEADER, then "head_buf" contains the first
+ * "bytes" bytes from some header.
+ * if "state" == DEMUX_DATA, then we need to copy "bytes" bytes
+ * of ES data before the next header.
+ * if "state" == DEMUX_SKIP, then we need to skip "bytes" bytes
+ * of data before the next header.
+ *
+ * NEEDBYTES makes sure we have the requested number of bytes for a
+ * header. If we dont, it copies what we have into head_buf and returns,
+ * so that when we come back with more data we finish decoding this header.
+ *
+ * DONEBYTES updates "buf" to point after the header we just parsed.
+ */
+
+#define DEMUX_HEADER 0
+#define DEMUX_DATA 1
+#define DEMUX_SKIP 2
+ static int state = DEMUX_SKIP;
+ static int state_bytes = 0;
+ static uint8_t head_buf[264];
+
+ uint8_t * header;
+ int bytes;
+ int len;
+
+#define NEEDBYTES(x) \
+ do { \
+ int missing; \
+ \
+ missing = (x) - bytes; \
+ if (missing > 0) { \
+ if (header == head_buf) { \
+ if (missing <= end - buf) { \
+ memcpy (header + bytes, buf, missing); \
+ buf += missing; \
+ bytes = (x); \
+ } else { \
+ memcpy (header + bytes, buf, end - buf); \
+ state_bytes = bytes + end - buf; \
+ return 0; \
+ } \
+ } else { \
+ memcpy (head_buf, header, bytes); \
+ state = DEMUX_HEADER; \
+ state_bytes = bytes; \
+ return 0; \
+ } \
+ } \
+ } while (0)
+
+#define DONEBYTES(x) \
+ do { \
+ if (header != head_buf) \
+ buf = header + (x); \
+ } while (0)
+
+ if (flags & DEMUX_PAYLOAD_START)
+ goto payload_start;
+ switch (state) {
+ case DEMUX_HEADER:
+ if (state_bytes > 0) {
+ header = head_buf;
+ bytes = state_bytes;
+ goto continue_header;
+ }
+ break;
+ case DEMUX_DATA:
+ if (demux_pid || (state_bytes > end - buf)) {
+ decode_mpeg2 (buf, end);
+ state_bytes -= end - buf;
+ return 0;
+ }
+ decode_mpeg2 (buf, buf + state_bytes);
+ buf += state_bytes;
+ break;
+ case DEMUX_SKIP:
+ if (demux_pid || (state_bytes > end - buf)) {
+ state_bytes -= end - buf;
+ return 0;
+ }
+ buf += state_bytes;
+ break;
+ }
+
+ while (1) {
+ if (demux_pid) {
+ state = DEMUX_SKIP;
+ return 0;
+ }
+ payload_start:
+ header = buf;
+ bytes = end - buf;
+ continue_header:
+ NEEDBYTES (4);
+ if (header[0] || header[1] || (header[2] != 1)) {
+ if (demux_pid) {
+ state = DEMUX_SKIP;
+ return 0;
+ } else if (header != head_buf) {
+ buf++;
+ goto payload_start;
+ } else {
+ header[0] = header[1];
+ header[1] = header[2];
+ header[2] = header[3];
+ bytes = 3;
+ goto continue_header;
+ }
+ }
+ if (demux_pid) {
+ if ((header[3] >= 0xe0) && (header[3] <= 0xef))
+ goto pes;
+ fprintf (stderr, "bad stream id %x\n", header[3]);
+ exit (1);
+ }
+ switch (header[3]) {
+ case 0xb9: /* program end code */
+ /* DONEBYTES (4); */
+ /* break; */
+ return 1;
+ case 0xba: /* pack header */
+ NEEDBYTES (5);
+ if ((header[4] & 0xc0) == 0x40) { /* mpeg2 */
+ NEEDBYTES (14);
+ len = 14 + (header[13] & 7);
+ NEEDBYTES (len);
+ DONEBYTES (len);
+ /* header points to the mpeg2 pack header */
+ } else if ((header[4] & 0xf0) == 0x20) { /* mpeg1 */
+ NEEDBYTES (12);
+ DONEBYTES (12);
+ /* header points to the mpeg1 pack header */
+ } else {
+ fprintf (stderr, "weird pack header\n");
+ DONEBYTES (5);
+ }
+ break;
+ default:
+ if (header[3] == demux_track) {
+ pes:
+ NEEDBYTES (7);
+ if ((header[6] & 0xc0) == 0x80) { /* mpeg2 */
+ NEEDBYTES (9);
+ len = 9 + header[8];
+ NEEDBYTES (len);
+ /* header points to the mpeg2 pes header */
+ if (header[7] & 0x80) {
+ uint32_t pts, dts;
+
+ pts = (((header[9] >> 1) << 30) |
+ (header[10] << 22) | ((header[11] >> 1) << 15) |
+ (header[12] << 7) | (header[13] >> 1));
+ dts = (!(header[7] & 0x40) ? pts :
+ (uint32_t)(((header[14] >> 1) << 30) |
+ (header[15] << 22) |
+ ((header[16] >> 1) << 15) |
+ (header[17] << 7) | (header[18] >> 1)));
+ mpeg2_tag_picture (mpeg2dec, pts, dts);
+ }
+ } else { /* mpeg1 */
+ int len_skip;
+ uint8_t * ptsbuf;
+
+ len = 7;
+ while (header[len - 1] == 0xff) {
+ len++;
+ NEEDBYTES (len);
+ if (len > 23) {
+ fprintf (stderr, "too much stuffing\n");
+ break;
+ }
+ }
+ if ((header[len - 1] & 0xc0) == 0x40) {
+ len += 2;
+ NEEDBYTES (len);
+ }
+ len_skip = len;
+ len += mpeg1_skip_table[header[len - 1] >> 4];
+ NEEDBYTES (len);
+ /* header points to the mpeg1 pes header */
+ ptsbuf = header + len_skip;
+ if ((ptsbuf[-1] & 0xe0) == 0x20) {
+ uint32_t pts, dts;
+
+ pts = (((ptsbuf[-1] >> 1) << 30) |
+ (ptsbuf[0] << 22) | ((ptsbuf[1] >> 1) << 15) |
+ (ptsbuf[2] << 7) | (ptsbuf[3] >> 1));
+ dts = (((ptsbuf[-1] & 0xf0) != 0x30) ? pts :
+ (uint32_t)(((ptsbuf[4] >> 1) << 30) |
+ (ptsbuf[5] << 22) | ((ptsbuf[6] >> 1) << 15) |
+ (ptsbuf[7] << 7) | (ptsbuf[18] >> 1)));
+ mpeg2_tag_picture (mpeg2dec, pts, dts);
+ }
+ }
+ DONEBYTES (len);
+ bytes = 6 + (header[4] << 8) + header[5] - len;
+ if (demux_pid || (bytes > end - buf)) {
+ decode_mpeg2 (buf, end);
+ state = DEMUX_DATA;
+ state_bytes = bytes - (end - buf);
+ return 0;
+ } else if (bytes > 0) {
+ decode_mpeg2 (buf, buf + bytes);
+ buf += bytes;
+ }
+ } else if (header[3] < 0xb9) {
+ fprintf (stderr,
+ "looks like a video stream, not system stream\n");
+ DONEBYTES (4);
+ } else {
+ NEEDBYTES (6);
+ DONEBYTES (6);
+ bytes = (header[4] << 8) + header[5];
+ if (bytes > end - buf) {
+ state = DEMUX_SKIP;
+ state_bytes = bytes - (end - buf);
+ return 0;
+ }
+ buf += bytes;
+ }
+ }
+ }
+}
+
+static void ps_loop (void)
+{
+ uint8_t * buffer = (uint8_t *) malloc (buffer_size);
+ uint8_t * end;
+
+ if (buffer == NULL)
+ exit (1);
+ do {
+ end = buffer + fread (buffer, 1, buffer_size, in_file);
+ if (demux (buffer, end, 0))
+ break; /* hit program_end_code */
+ } while (end == buffer + buffer_size && !sigint);
+ free (buffer);
+}
+
+static int pva_demux (uint8_t * buf, uint8_t * end)
+{
+ static int state = DEMUX_SKIP;
+ static int state_bytes = 0;
+ static uint8_t head_buf[15];
+
+ uint8_t * header;
+ int bytes;
+ int len;
+
+ switch (state) {
+ case DEMUX_HEADER:
+ if (state_bytes > 0) {
+ header = head_buf;
+ bytes = state_bytes;
+ goto continue_header;
+ }
+ break;
+ case DEMUX_DATA:
+ if (state_bytes > end - buf) {
+ decode_mpeg2 (buf, end);
+ state_bytes -= end - buf;
+ return 0;
+ }
+ decode_mpeg2 (buf, buf + state_bytes);
+ buf += state_bytes;
+ break;
+ case DEMUX_SKIP:
+ if (state_bytes > end - buf) {
+ state_bytes -= end - buf;
+ return 0;
+ }
+ buf += state_bytes;
+ break;
+ }
+
+ while (1) {
+ payload_start:
+ header = buf;
+ bytes = end - buf;
+ continue_header:
+ NEEDBYTES (2);
+ if (header[0] != 0x41 || header[1] != 0x56) {
+ if (header != head_buf) {
+ buf++;
+ goto payload_start;
+ } else {
+ header[0] = header[1];
+ bytes = 1;
+ goto continue_header;
+ }
+ }
+ NEEDBYTES (8);
+ if (header[2] != 1) {
+ DONEBYTES (8);
+ bytes = (header[6] << 8) + header[7];
+ if (bytes > end - buf) {
+ state = DEMUX_SKIP;
+ state_bytes = bytes - (end - buf);
+ return 0;
+ }
+ buf += bytes;
+ } else {
+ len = 8;
+ if (header[5] & 0x10) {
+ len = 12 + (header[5] & 3);
+ NEEDBYTES (len);
+ decode_mpeg2 (header + 12, header + len);
+ mpeg2_tag_picture (mpeg2dec,
+ ((header[8] << 24) | (header[9] << 16) |
+ (header[10] << 8) | header[11]), 0);
+ }
+ DONEBYTES (len);
+ bytes = (header[6] << 8) + header[7] + 8 - len;
+ if (bytes > end - buf) {
+ decode_mpeg2 (buf, end);
+ state = DEMUX_DATA;
+ state_bytes = bytes - (end - buf);
+ return 0;
+ } else if (bytes > 0) {
+ decode_mpeg2 (buf, buf + bytes);
+ buf += bytes;
+ }
+ }
+ }
+}
+
+static void pva_loop (void)
+{
+ uint8_t * buffer = (uint8_t *) malloc (buffer_size);
+ uint8_t * end;
+
+ if (buffer == NULL)
+ exit (1);
+ do {
+ end = buffer + fread (buffer, 1, buffer_size, in_file);
+ pva_demux (buffer, end);
+ } while (end == buffer + buffer_size && !sigint);
+ free (buffer);
+}
+
+static void ts_loop (void)
+{
+ uint8_t * buffer = (uint8_t *) malloc (buffer_size);
+ uint8_t * buf;
+ uint8_t * nextbuf;
+ uint8_t * data;
+ uint8_t * end;
+ int pid;
+
+ if (buffer == NULL || buffer_size < 188)
+ exit (1);
+ buf = buffer;
+ do {
+ end = buf + fread (buf, 1, buffer + buffer_size - buf, in_file);
+ buf = buffer;
+ for (; (nextbuf = buf + 188) <= end; buf = nextbuf) {
+ if (*buf != 0x47) {
+ fprintf (stderr, "bad sync byte\n");
+ nextbuf = buf + 1;
+ continue;
+ }
+ pid = ((buf[1] << 8) + buf[2]) & 0x1fff;
+ if (pid != demux_pid)
+ continue;
+ data = buf + 4;
+ if (buf[3] & 0x20) { /* buf contains an adaptation field */
+ data = buf + 5 + buf[4];
+ if (data > nextbuf)
+ continue;
+ }
+ if (buf[3] & 0x10)
+ demux (data, nextbuf,
+ (buf[1] & 0x40) ? DEMUX_PAYLOAD_START : 0);
+ }
+ if (end != buffer + buffer_size)
+ break;
+ memcpy (buffer, buf, end - buf);
+ buf = buffer + (end - buf);
+ } while (!sigint);
+ free (buffer);
+}
+
+static void es_loop (void)
+{
+ uint8_t * buffer = (uint8_t *) malloc (buffer_size);
+ uint8_t * end;
+
+ if (buffer == NULL)
+ exit (1);
+ do {
+ end = buffer + fread (buffer, 1, buffer_size, in_file);
+ decode_mpeg2 (buffer, end);
+ } while (end == buffer + buffer_size && !sigint);
+ free (buffer);
+}
+
+int main (int argc, char ** argv)
+{
+#ifdef HAVE_IO_H
+ setmode (fileno (stdin), O_BINARY);
+ setmode (fileno (stdout), O_BINARY);
+#endif
+
+ fprintf (stderr, PACKAGE"-"VERSION
+ " - by Michel Lespinasse <walken@zoy.org> and Aaron Holtzman\n");
+
+ handle_args (argc, argv);
+
+ output = output_open ();
+ if (output == NULL) {
+ fprintf (stderr, "Can not open output\n");
+ return 1;
+ }
+ mpeg2dec = mpeg2_init ();
+ if (mpeg2dec == NULL)
+ exit (1);
+ mpeg2_malloc_hooks (malloc_hook, NULL);
+
+ if (demux_pva)
+ pva_loop ();
+ else if (demux_pid)
+ ts_loop ();
+ else if (demux_track)
+ ps_loop ();
+ else
+ es_loop ();
+
+ mpeg2_close (mpeg2dec);
+ if (output->close)
+ output->close (output);
+ print_fps (1);
+ fclose (in_file);
+ return 0;
+}
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