From 01310af292fe18ba700f7ba9d97ab8d43427a619 Mon Sep 17 00:00:00 2001
From: Fabrice Bellard <fabrice@bellard.org>
Date: Sat, 7 Jun 2003 18:34:02 +0000
Subject: [PATCH] added ffplay utility
Originally committed as revision 1936 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
Makefile | 35 +-
cmdutils.c | 120 +++++
cmdutils.h | 25 +
ffmpeg.c | 216 ++------
ffplay.c | 1397 ++++++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 1593 insertions(+), 200 deletions(-)
create mode 100644 cmdutils.c
create mode 100644 cmdutils.h
create mode 100644 ffplay.c
diff --git a/Makefile b/Makefile
index ba2c91dd683..975aad53206 100644
--- a/Makefile
+++ b/Makefile
@@ -16,18 +16,22 @@ endif
ifeq ($(CONFIG_WIN32),yes)
EXE=.exe
-PROG=ffmpeg$(EXE)
else
ifeq ($(CONFIG_OS2),yes)
EXE=.exe
-PROG=ffmpeg$(EXE)
else
EXE=
-PROG=ffmpeg ffplay
-ifeq ($(CONFIG_FFSERVER),yes)
-PROG+=ffserver
endif
endif
+
+PROG=ffmpeg$(EXE)
+
+ifeq ($(CONFIG_FFSERVER),yes)
+PROG+=ffserver$(EXE)
+endif
+
+ifeq ($(CONFIG_FFPLAY),yes)
+PROG+=ffplay$(EXE)
endif
ifeq ($(CONFIG_AUDIO_BEOS),yes)
@@ -67,7 +71,7 @@ else
TEST=test
endif
-OBJS = ffmpeg.o ffserver.o
+OBJS = ffmpeg.o ffserver.o cmdutils.o ffplay.o
SRCS = $(OBJS:.o=.c) $(ASM_OBJS:.o=.s)
FFLIBS = -L./libavformat -lavformat -L./libavcodec -lavcodec
@@ -77,9 +81,8 @@ lib: $(AMRLIBS)
$(MAKE) -C libavcodec all
$(MAKE) -C libavformat all
-
-ffmpeg_g$(EXE): ffmpeg.o .libs
- $(CC) $(LDFLAGS) -o $@ ffmpeg.o $(FFLIBS) $(EXTRALIBS)
+ffmpeg_g$(EXE): ffmpeg.o cmdutils.o .libs
+ $(CC) $(LDFLAGS) -o $@ ffmpeg.o cmdutils.o $(FFLIBS) $(EXTRALIBS)
ffmpeg$(EXE): ffmpeg_g$(EXE)
cp -p $< $@
@@ -88,8 +91,15 @@ ffmpeg$(EXE): ffmpeg_g$(EXE)
ffserver$(EXE): ffserver.o .libs
$(CC) $(LDFLAGS) $(FFSLDFLAGS) -o $@ ffserver.o $(FFLIBS) $(EXTRALIBS)
-ffplay: ffmpeg$(EXE)
- ln -sf $< $@
+ffplay_g$(EXE): ffplay.o cmdutils.o .libs
+ $(CC) $(LDFLAGS) -o $@ ffplay.o cmdutils.o $(FFLIBS) $(EXTRALIBS) $(SDL_LIBS)
+
+ffplay$(EXE): ffplay_g$(EXE)
+ cp -p $< $@
+ $(STRIP) $@
+
+ffplay.o: ffplay.c
+ $(CC) $(CFLAGS) $(SDL_CFLAGS) -c -o $@ $<
%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $<
@@ -101,7 +111,6 @@ install: all $(INSTALLVHOOK)
$(MAKE) -C libavcodec install
install -d $(prefix)/bin
install -c -s -m 755 $(PROG) $(prefix)/bin
- ln -sf ffmpeg $(prefix)/bin/ffplay
install-vhook: $(prefix)/lib/vhook
$(MAKE) -C vhook install INSTDIR=$(prefix)/lib/vhook
@@ -133,7 +142,7 @@ clean: $(CLEANVHOOK)
$(MAKE) -C libavcodec clean
$(MAKE) -C libavformat clean
$(MAKE) -C tests clean
- rm -f *.o *.d *~ .libs .depend gmon.out TAGS ffmpeg_g$(EXE) $(PROG)
+ rm -f *.o *.d *~ .libs .depend gmon.out TAGS ffmpeg_g$(EXE) ffplay_g$(EXE) $(PROG)
clean-vhook:
$(MAKE) -C vhook clean
diff --git a/cmdutils.c b/cmdutils.c
new file mode 100644
index 00000000000..2131605b169
--- /dev/null
+++ b/cmdutils.c
@@ -0,0 +1,120 @@
+/*
+ * Various utilities for command line tools
+ * Copyright (c) 2000-2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "common.h"
+#include "avformat.h"
+
+#include "cmdutils.h"
+
+void show_help_options(const OptionDef *options)
+{
+ const OptionDef *po;
+ int i, expert, first;
+
+ printf("Main options are:\n");
+ for(i=0;i<2;i++) {
+ first = 1;
+ for(po = options; po->name != NULL; po++) {
+ char buf[64];
+ expert = (po->flags & OPT_EXPERT) != 0;
+ if (expert == i) {
+ if (expert && first) {
+ printf("\nAdvanced options are:\n");
+ first = 0;
+ }
+ strcpy(buf, po->name);
+ if (po->flags & HAS_ARG) {
+ strcat(buf, " ");
+ strcat(buf, po->argname);
+ }
+ printf("-%-17s %s\n", buf, po->help);
+ }
+ }
+ }
+}
+
+void parse_options(int argc, char **argv, const OptionDef *options)
+{
+ const char *opt, *arg;
+ int optindex;
+ const OptionDef *po;
+
+ /* parse options */
+ optindex = 1;
+ while (optindex < argc) {
+ opt = argv[optindex++];
+
+ if (opt[0] == '-' && opt[1] != '\0') {
+ po = options;
+ while (po->name != NULL) {
+ if (!strcmp(opt + 1, po->name))
+ break;
+ po++;
+ }
+ if (!po->name) {
+ fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
+ exit(1);
+ }
+ arg = NULL;
+ if (po->flags & HAS_ARG) {
+ arg = argv[optindex++];
+ if (!arg) {
+ fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
+ exit(1);
+ }
+ }
+ if (po->flags & OPT_STRING) {
+ char *str;
+ str = strdup(arg);
+ *po->u.str_arg = str;
+ } else if (po->flags & OPT_BOOL) {
+ *po->u.int_arg = 1;
+ } else {
+ po->u.func_arg(arg);
+ }
+ } else {
+ parse_arg_file(opt);
+ }
+ }
+}
+
+void print_error(const char *filename, int err)
+{
+ switch(err) {
+ case AVERROR_NUMEXPECTED:
+ fprintf(stderr, "%s: Incorrect image filename syntax.\n"
+ "Use '%%d' to specify the image number:\n"
+ " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
+ " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
+ filename);
+ break;
+ case AVERROR_INVALIDDATA:
+ fprintf(stderr, "%s: Error while parsing header\n", filename);
+ break;
+ case AVERROR_NOFMT:
+ fprintf(stderr, "%s: Unknown format\n", filename);
+ break;
+ default:
+ fprintf(stderr, "%s: Error while opening file\n", filename);
+ break;
+ }
+}
diff --git a/cmdutils.h b/cmdutils.h
new file mode 100644
index 00000000000..a6d5e7a3bb5
--- /dev/null
+++ b/cmdutils.h
@@ -0,0 +1,25 @@
+#ifndef _CMD_UTILS_H
+#define _CMD_UTILS_H
+
+typedef struct {
+ const char *name;
+ int flags;
+#define HAS_ARG 0x0001
+#define OPT_BOOL 0x0002
+#define OPT_EXPERT 0x0004
+#define OPT_STRING 0x0008
+ union {
+ void (*func_arg)(const char *);
+ int *int_arg;
+ char **str_arg;
+ } u;
+ const char *help;
+ const char *argname;
+} OptionDef;
+
+void show_help_options(const OptionDef *options);
+void parse_options(int argc, char **argv, const OptionDef *options);
+void parse_arg_file(const char *filename);
+void print_error(const char *filename, int err);
+
+#endif /* _CMD_UTILS_H */
diff --git a/ffmpeg.c b/ffmpeg.c
index 1f32637f2ea..f39c24e2acc 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1,6 +1,6 @@
/*
* FFmpeg main
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
+ * Copyright (c) 2000-2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -40,28 +40,14 @@
#include <time.h>
#include <ctype.h>
+#include "cmdutils.h"
+
#if !defined(INFINITY) && defined(HUGE_VAL)
#define INFINITY HUGE_VAL
#endif
#define MAXINT64 int64_t_C(0x7fffffffffffffff)
-typedef struct {
- const char *name;
- int flags;
-#define HAS_ARG 0x0001
-#define OPT_BOOL 0x0002
-#define OPT_EXPERT 0x0004
-#define OPT_STRING 0x0008
- union {
- void (*func_arg)(const char *);
- int *int_arg;
- char **str_arg;
- } u;
- const char *help;
- const char *argname;
-} OptionDef;
-
/* select an input stream for an output stream */
typedef struct AVStreamMap {
int file_index;
@@ -133,7 +119,6 @@ static int use_4mv = 0;
static int use_aic = 0;
static int use_umv = 0;
/* /Fx */
-static int use_h263p_extra = 0;
static int do_deinterlace = 0;
static int workaround_bugs = FF_BUG_AUTODETECT;
static int error_resilience = 2;
@@ -161,7 +146,6 @@ static char *str_copyright = NULL;
static char *str_comment = NULL;
static int do_benchmark = 0;
static int do_hex_dump = 0;
-static int do_play = 0;
static int do_psnr = 0;
static int do_vstats = 0;
static int do_pass = 0;
@@ -1134,11 +1118,7 @@ static int av_encode(AVFormatContext **output_files,
}
#ifndef CONFIG_WIN32
- if (!do_play) {
- fprintf(stderr, "Press [q] to stop encoding\n");
- } else {
- fprintf(stderr, "Press [q] to stop playing\n");
- }
+ fprintf(stderr, "Press [q] to stop encoding\n");
#endif
term_init();
@@ -1998,28 +1978,6 @@ static void opt_recording_time(const char *arg)
recording_time = parse_date(arg, 1);
}
-static void print_error(const char *filename, int err)
-{
- switch(err) {
- case AVERROR_NUMEXPECTED:
- fprintf(stderr, "%s: Incorrect image filename syntax.\n"
- "Use '%%d' to specify the image number:\n"
- " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
- " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
- filename);
- break;
- case AVERROR_INVALIDDATA:
- fprintf(stderr, "%s: Error while parsing header\n", filename);
- break;
- case AVERROR_NOFMT:
- fprintf(stderr, "%s: Unknown format\n", filename);
- break;
- default:
- fprintf(stderr, "%s: Error while opening file\n", filename);
- break;
- }
-}
-
static void opt_input_file(const char *filename)
{
AVFormatContext *ic;
@@ -2524,40 +2482,6 @@ static void prepare_grab(void)
}
}
-/* open the necessary output devices for playing */
-static void prepare_play(void)
-{
- int has_video, has_audio;
-
- check_audio_video_inputs(&has_video, &has_audio);
-
- /* manual disable */
- if (audio_disable) {
- has_audio = 0;
- }
- if (video_disable) {
- has_video = 0;
- }
-
- if (has_audio) {
- file_oformat = guess_format("audio_device", NULL, NULL);
- if (!file_oformat) {
- fprintf(stderr, "Could not find audio device\n");
- exit(1);
- }
- opt_output_file(audio_device?audio_device:"/dev/dsp");
- }
-
- if (has_video) {
- file_oformat = guess_format("framebuffer_device", NULL, NULL);
- if (!file_oformat) {
- fprintf(stderr, "Could not find framebuffer device\n");
- exit(1);
- }
- opt_output_file("");
- }
-}
-
/* same option as mencoder */
static void opt_pass(const char *pass_str)
{
@@ -2668,47 +2592,6 @@ static void show_formats(void)
exit(1);
}
-void show_help(void)
-{
- const char *prog;
- const OptionDef *po;
- int i, expert;
-
- prog = do_play ? "ffplay" : "ffmpeg";
-
- printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n",
- prog);
-
- if (!do_play) {
- printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
- "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n");
- } else {
- printf("usage: ffplay [options] input_file...\n"
- "Simple audio player\n");
- }
-
- printf("\n"
- "Main options are:\n");
- for(i=0;i<2;i++) {
- if (i == 1)
- printf("\nAdvanced options are:\n");
- for(po = options; po->name != NULL; po++) {
- char buf[64];
- expert = (po->flags & OPT_EXPERT) != 0;
- if (expert == i) {
- strcpy(buf, po->name);
- if (po->flags & HAS_ARG) {
- strcat(buf, " ");
- strcat(buf, po->argname);
- }
- printf("-%-17s %s\n", buf, po->help);
- }
- }
- }
-
- exit(1);
-}
-
const OptionDef options[] = {
{ "L", 0, {(void*)show_licence}, "show license" },
{ "h", 0, {(void*)show_help}, "show help" },
@@ -2803,83 +2686,42 @@ const OptionDef options[] = {
{ NULL, },
};
+void show_help(void)
+{
+ printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n");
+ printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
+ "Hyper fast Audio and Video encoder\n");
+ printf("\n");
+ show_help_options(options);
+ exit(1);
+}
+
+void parse_arg_file(const char *filename)
+{
+ opt_output_file(filename);
+}
+
int main(int argc, char **argv)
{
- int optindex, i;
- const char *opt, *arg;
- const OptionDef *po;
+ int i;
int64_t ti;
av_register_all();
- /* detect if invoked as player */
- i = strlen(argv[0]);
- if (i >= 6 && !strcmp(argv[0] + i - 6, "ffplay"))
- do_play = 1;
-
if (argc <= 1)
show_help();
/* parse options */
- optindex = 1;
- while (optindex < argc) {
- opt = argv[optindex++];
-
- if (opt[0] == '-' && opt[1] != '\0') {
- po = options;
- while (po->name != NULL) {
- if (!strcmp(opt + 1, po->name))
- break;
- po++;
- }
- if (!po->name) {
- fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
- exit(1);
- }
- arg = NULL;
- if (po->flags & HAS_ARG) {
- arg = argv[optindex++];
- if (!arg) {
- fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
- exit(1);
- }
- }
- if (po->flags & OPT_STRING) {
- char *str;
- str = av_strdup(arg);
- *po->u.str_arg = str;
- } else if (po->flags & OPT_BOOL) {
- *po->u.int_arg = 1;
- } else {
- po->u.func_arg(arg);
- }
- } else {
- if (!do_play) {
- opt_output_file(opt);
- } else {
- opt_input_file(opt);
- }
- }
- }
+ parse_options(argc, argv, options);
-
- if (!do_play) {
- /* file converter / grab */
- if (nb_output_files <= 0) {
- fprintf(stderr, "Must supply at least one output file\n");
- exit(1);
- }
-
- if (nb_input_files == 0) {
- prepare_grab();
- }
- } else {
- /* player */
- if (nb_input_files <= 0) {
- fprintf(stderr, "Must supply at least one input file\n");
- exit(1);
- }
- prepare_play();
+ /* file converter / grab */
+ if (nb_output_files <= 0) {
+ fprintf(stderr, "Must supply at least one output file\n");
+ exit(1);
+ }
+
+ if (nb_input_files == 0) {
+ prepare_grab();
}
ti = getutime();
diff --git a/ffplay.c b/ffplay.c
new file mode 100644
index 00000000000..902ef448925
--- /dev/null
+++ b/ffplay.c
@@ -0,0 +1,1397 @@
+/*
+ * FFplay : Simple Media Player based on the ffmpeg libraries
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#define HAVE_AV_CONFIG_H
+#include "common.h"
+#include "avformat.h"
+
+#include "cmdutils.h"
+
+#include <SDL.h>
+#include <SDL_thread.h>
+
+#if defined(__linux__)
+#define HAVE_X11
+#endif
+
+#ifdef HAVE_X11
+#include <X11/Xlib.h>
+#endif
+
+#define MAX_VIDEOQ_SIZE (5 * 256 * 1024)
+#define MAX_AUDIOQ_SIZE (5 * 16 * 1024)
+
+/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
+#define SAMPLE_ARRAY_SIZE (2*65536)
+
+typedef struct PacketQueue {
+ AVPacketList *first_pkt, *last_pkt;
+ int nb_packets;
+ int size;
+ int abort_request;
+ SDL_mutex *mutex;
+ SDL_cond *cond;
+} PacketQueue;
+
+#define VIDEO_PICTURE_QUEUE_SIZE 1
+
+typedef struct VideoPicture {
+ int delay; /* delay before showing the next picture */
+ SDL_Overlay *bmp;
+ int width, height; /* source height & width */
+ int allocated;
+} VideoPicture;
+
+enum {
+ AV_SYNC_AUDIO_MASTER, /* default choice */
+ AV_SYNC_VIDEO_MASTER,
+ AV_SYNC_EXTERNAL_CLOCK, /* if external clock, then you must update external_clock yourself */
+};
+
+typedef struct VideoState {
+ SDL_Thread *parse_tid;
+ SDL_Thread *video_tid;
+ int no_background;
+ int abort_request;
+ int paused;
+ AVFormatContext *ic;
+ int dtg_active_format;
+
+ int audio_stream;
+
+ int av_sync_type;
+ double external_clock; /* external clock */
+
+ double audio_clock; /* current audio clock value */
+ AVStream *audio_st;
+ PacketQueue audioq;
+ int audio_hw_buf_size;
+ /* samples output by the codec. we reserve more space for avsync
+ compensation */
+ uint8_t audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
+ int audio_buf_size; /* in bytes */
+ int audio_buf_index; /* in bytes */
+ AVPacket audio_pkt;
+ uint8_t *audio_pkt_data;
+ int audio_pkt_size;
+ int64_t audio_pkt_ipts;
+
+ int show_audio; /* if true, display audio samples */
+ int16_t sample_array[SAMPLE_ARRAY_SIZE];
+ int sample_array_index;
+
+ double video_clock; /* current video clock value */
+ int video_stream;
+ AVStream *video_st;
+ PacketQueue videoq;
+
+ VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
+ int pictq_size, pictq_rindex, pictq_windex;
+ SDL_mutex *pictq_mutex;
+ SDL_cond *pictq_cond;
+
+ // QETimer *video_timer;
+ char filename[1024];
+ int width, height, xleft, ytop;
+} VideoState;
+
+void show_help(void);
+int audio_write_get_buf_size(VideoState *is);
+
+/* options specified by the user */
+static AVInputFormat *file_iformat;
+static const char *input_filename;
+static int fs_screen_width;
+static int fs_screen_height;
+static int screen_width = 640;
+static int screen_height = 480;
+static int audio_disable;
+static int video_disable;
+static int display_disable;
+static int show_status;
+
+/* current context */
+static int is_full_screen;
+static VideoState *cur_stream;
+static int16_t audio_callback_time;
+
+#define FF_ALLOC_EVENT (SDL_USEREVENT)
+#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
+
+SDL_Surface *screen;
+
+/* packet queue handling */
+static void packet_queue_init(PacketQueue *q)
+{
+ memset(q, 0, sizeof(PacketQueue));
+ q->mutex = SDL_CreateMutex();
+ q->cond = SDL_CreateCond();
+}
+
+static void packet_queue_end(PacketQueue *q)
+{
+ AVPacketList *pkt, *pkt1;
+
+ for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
+ pkt1 = pkt->next;
+ av_free_packet(&pkt->pkt);
+ }
+ SDL_DestroyMutex(q->mutex);
+ SDL_DestroyCond(q->cond);
+}
+
+static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
+{
+ AVPacketList *pkt1;
+
+ pkt1 = av_malloc(sizeof(AVPacketList));
+ if (!pkt1)
+ return -1;
+ pkt1->pkt = *pkt;
+ pkt1->next = NULL;
+
+ SDL_LockMutex(q->mutex);
+
+ if (!q->last_pkt)
+
+ q->first_pkt = pkt1;
+ else
+ q->last_pkt->next = pkt1;
+ q->last_pkt = pkt1;
+ q->nb_packets++;
+ q->size += pkt1->pkt.size;
+ /* XXX: should duplicate packet data in DV case */
+ SDL_CondSignal(q->cond);
+
+ SDL_UnlockMutex(q->mutex);
+ return 0;
+}
+
+static void packet_queue_abort(PacketQueue *q)
+{
+ SDL_LockMutex(q->mutex);
+
+ q->abort_request = 1;
+
+ SDL_CondSignal(q->cond);
+
+ SDL_UnlockMutex(q->mutex);
+}
+
+/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
+static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
+{
+ AVPacketList *pkt1;
+ int ret;
+
+ SDL_LockMutex(q->mutex);
+
+ for(;;) {
+ if (q->abort_request) {
+ ret = -1;
+ break;
+ }
+
+ pkt1 = q->first_pkt;
+ if (pkt1) {
+ q->first_pkt = pkt1->next;
+ if (!q->first_pkt)
+ q->last_pkt = NULL;
+ q->nb_packets--;
+ q->size -= pkt1->pkt.size;
+ *pkt = pkt1->pkt;
+ av_free(pkt1);
+ ret = 1;
+ break;
+ } else if (!block) {
+ ret = 0;
+ break;
+ } else {
+ SDL_CondWait(q->cond, q->mutex);
+ }
+ }
+ SDL_UnlockMutex(q->mutex);
+ return ret;
+}
+
+static inline void fill_rectangle(SDL_Surface *screen,
+ int x, int y, int w, int h, int color)
+{
+ SDL_Rect rect;
+ rect.x = x;
+ rect.y = y;
+ rect.w = w;
+ rect.h = h;
+ SDL_FillRect(screen, &rect, color);
+}
+
+#if 0
+/* draw only the border of a rectangle */
+void fill_border(VideoState *s, int x, int y, int w, int h, int color)
+{
+ int w1, w2, h1, h2;
+
+ /* fill the background */
+ w1 = x;
+ if (w1 < 0)
+ w1 = 0;
+ w2 = s->width - (x + w);
+ if (w2 < 0)
+ w2 = 0;
+ h1 = y;
+ if (h1 < 0)
+ h1 = 0;
+ h2 = s->height - (y + h);
+ if (h2 < 0)
+ h2 = 0;
+ fill_rectangle(screen,
+ s->xleft, s->ytop,
+ w1, s->height,
+ color);
+ fill_rectangle(screen,
+ s->xleft + s->width - w2, s->ytop,
+ w2, s->height,
+ color);
+ fill_rectangle(screen,
+ s->xleft + w1, s->ytop,
+ s->width - w1 - w2, h1,
+ color);
+ fill_rectangle(screen,
+ s->xleft + w1, s->ytop + s->height - h2,
+ s->width - w1 - w2, h2,
+ color);
+}
+#endif
+
+static void video_image_display(VideoState *is)
+{
+ VideoPicture *vp;
+ float aspect_ratio;
+ int width, height, x, y;
+ SDL_Rect rect;
+
+ vp = &is->pictq[is->pictq_rindex];
+ if (vp->bmp) {
+ /* XXX: use variable in the frame */
+ aspect_ratio = is->video_st->codec.aspect_ratio;
+ if (aspect_ratio <= 0.0)
+ aspect_ratio = (float)is->video_st->codec.width /
+ (float)is->video_st->codec.height;
+ /* if an active format is indicated, then it overrides the
+ mpeg format */
+#if 0
+ if (is->video_st->codec.dtg_active_format != is->dtg_active_format) {
+ is->dtg_active_format = is->video_st->codec.dtg_active_format;
+ printf("dtg_active_format=%d\n", is->dtg_active_format);
+ }
+#endif
+#if 0
+ switch(is->video_st->codec.dtg_active_format) {
+ case FF_DTG_AFD_SAME:
+ default:
+ /* nothing to do */
+ break;
+ case FF_DTG_AFD_4_3:
+ aspect_ratio = 4.0 / 3.0;
+ break;
+ case FF_DTG_AFD_16_9:
+ aspect_ratio = 16.0 / 9.0;
+ break;
+ case FF_DTG_AFD_14_9:
+ aspect_ratio = 14.0 / 9.0;
+ break;
+ case FF_DTG_AFD_4_3_SP_14_9:
+ aspect_ratio = 14.0 / 9.0;
+ break;
+ case FF_DTG_AFD_16_9_SP_14_9:
+ aspect_ratio = 14.0 / 9.0;
+ break;
+ case FF_DTG_AFD_SP_4_3:
+ aspect_ratio = 4.0 / 3.0;
+ break;
+ }
+#endif
+
+ /* XXX: we suppose the screen has a 1.0 pixel ratio */
+ height = is->height;
+ width = ((int)rint(height * aspect_ratio)) & -3;
+ if (width > is->width) {
+ width = is->width;
+ height = ((int)rint(width / aspect_ratio)) & -3;
+ }
+ x = (is->width - width) / 2;
+ y = (is->height - height) / 2;
+ if (!is->no_background) {
+ /* fill the background */
+ // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
+ } else {
+ is->no_background = 0;
+ }
+ rect.x = is->xleft + x;
+ rect.y = is->xleft + y;
+ rect.w = width;
+ rect.h = height;
+ SDL_DisplayYUVOverlay(vp->bmp, &rect);
+ } else {
+#if 0
+ fill_rectangle(screen,
+ is->xleft, is->ytop, is->width, is->height,
+ QERGB(0x00, 0x00, 0x00));
+#endif
+ }
+}
+
+static inline int compute_mod(int a, int b)
+{
+ a = a % b;
+ if (a >= 0)
+ return a;
+ else
+ return a + b;
+}
+
+static void video_audio_display(VideoState *s)
+{
+ int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
+ int ch, channels, h, h2, bgcolor, fgcolor;
+ int16_t time_diff;
+
+ /* compute display index : center on currently output samples */
+ channels = s->audio_st->codec.channels;
+ nb_display_channels = channels;
+ n = 2 * channels;
+ delay = audio_write_get_buf_size(s);
+ delay /= n;
+
+ /* to be more precise, we take into account the time spent since
+ the last buffer computation */
+ if (audio_callback_time) {
+ time_diff = av_gettime() - audio_callback_time;
+ delay += (time_diff * s->audio_st->codec.sample_rate) / 1000000;
+ }
+
+ delay -= s->width / 2;
+ if (delay < s->width)
+ delay = s->width;
+ i_start = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
+
+ bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
+ fill_rectangle(screen,
+ s->xleft, s->ytop, s->width, s->height,
+ bgcolor);
+
+ fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
+
+ /* total height for one channel */
+ h = s->height / nb_display_channels;
+ /* graph height / 2 */
+ h2 = (h * 9) / 20;
+ for(ch = 0;ch < nb_display_channels; ch++) {
+ i = i_start + ch;
+ y1 = s->ytop + ch * h + (h / 2); /* position of center line */
+ for(x = 0; x < s->width; x++) {
+ y = (s->sample_array[i] * h2) >> 15;
+ if (y < 0) {
+ y = -y;
+ ys = y1 - y;
+ } else {
+ ys = y1;
+ }
+ fill_rectangle(screen,
+ s->xleft + x, ys, 1, y,
+ fgcolor);
+ i += channels;
+ if (i >= SAMPLE_ARRAY_SIZE)
+ i -= SAMPLE_ARRAY_SIZE;
+ }
+ }
+
+ fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
+
+ for(ch = 1;ch < nb_display_channels; ch++) {
+ y = s->ytop + ch * h;
+ fill_rectangle(screen,
+ s->xleft, y, s->width, 1,
+ fgcolor);
+ }
+ SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
+}
+
+/* display the current picture, if any */
+static void video_display(VideoState *is)
+{
+ if (is->audio_st && is->show_audio)
+ video_audio_display(is);
+ else if (is->video_st)
+ video_image_display(is);
+}
+
+static Uint32 sdl_refresh_timer_cb(Uint32 interval, void *opaque)
+{
+ SDL_Event event;
+ event.type = FF_REFRESH_EVENT;
+ event.user.data1 = opaque;
+ SDL_PushEvent(&event);
+ return 0; /* 0 means stop timer */
+}
+
+/* schedule a video refresh in 'delay' ms */
+static void schedule_refresh(VideoState *is, int delay)
+{
+ SDL_AddTimer(delay, sdl_refresh_timer_cb, is);
+}
+
+/* called to display each frame */
+static void video_refresh_timer(void *opaque)
+{
+ VideoState *is = opaque;
+ VideoPicture *vp;
+
+ if (is->video_st) {
+ if (is->pictq_size == 0) {
+ /* if no picture, need to wait */
+ schedule_refresh(is, 40);
+ } else {
+ vp = &is->pictq[is->pictq_rindex];
+
+ /* launch timer for next picture */
+ schedule_refresh(is, vp->delay);
+
+ /* display picture */
+ video_display(is);
+
+ /* update queue size and signal for next picture */
+ if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
+ is->pictq_rindex = 0;
+
+ SDL_LockMutex(is->pictq_mutex);
+ is->pictq_size--;
+ SDL_CondSignal(is->pictq_cond);
+ SDL_UnlockMutex(is->pictq_mutex);
+ }
+ } else if (is->audio_st) {
+ /* draw the next audio frame */
+
+ schedule_refresh(is, 40);
+
+ /* if only audio stream, then display the audio bars (better
+ than nothing, just to test the implementation */
+
+ /* display picture */
+ video_display(is);
+ } else {
+ schedule_refresh(is, 100);
+ }
+ if (show_status) {
+ static int64_t last_time;
+ int64_t cur_time;
+ int aqsize, vqsize;
+
+ cur_time = av_gettime();
+ if (!last_time || (cur_time - last_time) >= 500 * 1000) {
+ aqsize = 0;
+ vqsize = 0;
+ if (is->audio_st)
+ aqsize = is->audioq.size;
+ if (is->video_st)
+ vqsize = is->videoq.size;
+ printf("A:%7.2f V:%7.2f aq=%5dKB vq=%5dKB \r",
+ is->audio_clock, is->video_clock, aqsize / 1024, vqsize / 1024);
+ fflush(stdout);
+ last_time = cur_time;
+ }
+ }
+}
+
+/* allocate a picture (needs to do that in main thread to avoid
+ potential locking problems */
+static void alloc_picture(void *opaque)
+{
+ VideoState *is = opaque;
+ VideoPicture *vp;
+ int is_yuv;
+
+ vp = &is->pictq[is->pictq_windex];
+
+ if (vp->bmp)
+ SDL_FreeYUVOverlay(vp->bmp);
+
+ /* XXX: use generic function */
+ switch(is->video_st->codec.pix_fmt) {
+ case PIX_FMT_YUV420P:
+ case PIX_FMT_YUV422P:
+ case PIX_FMT_YUV444P:
+ case PIX_FMT_YUV422:
+ case PIX_FMT_YUV410P:
+ case PIX_FMT_YUV411P:
+ is_yuv = 1;
+ break;
+ default:
+ is_yuv = 0;
+ break;
+ }
+
+ if (is_yuv) {
+ vp->bmp = SDL_CreateYUVOverlay(is->video_st->codec.width,
+ is->video_st->codec.height,
+ SDL_YV12_OVERLAY,
+ screen);
+ } else {
+#if 0
+ vp->bmp = bmp_alloc(screen,
+ is->video_st->codec.width,
+ is->video_st->codec.height,
+ screen->bitmap_format,
+ 0);
+#endif
+ vp->bmp = NULL;
+ }
+ vp->width = is->video_st->codec.width;
+ vp->height = is->video_st->codec.height;
+
+ SDL_LockMutex(is->pictq_mutex);
+ vp->allocated = 1;
+ SDL_CondSignal(is->pictq_cond);
+ SDL_UnlockMutex(is->pictq_mutex);
+}
+
+#define VIDEO_CORRECTION_THRESHOLD 0.2
+
+static int output_picture(VideoState *is, AVPicture *src_pict, double pts)
+{
+ VideoPicture *vp;
+ int dst_pix_fmt;
+ AVPicture pict;
+ double delay, ref_clock, diff;
+
+ /* wait until we have space to put a new picture */
+ SDL_LockMutex(is->pictq_mutex);
+ while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
+ !is->videoq.abort_request) {
+ SDL_CondWait(is->pictq_cond, is->pictq_mutex);
+ }
+ SDL_UnlockMutex(is->pictq_mutex);
+
+ if (is->videoq.abort_request)
+ return -1;
+
+ vp = &is->pictq[is->pictq_windex];
+
+ /* alloc or resize hardware picture buffer */
+ if (!vp->bmp ||
+ vp->width != is->video_st->codec.width ||
+ vp->height != is->video_st->codec.height) {
+ SDL_Event event;
+
+ vp->allocated = 0;
+
+ /* the allocation must be done in the main thread to avoid
+ locking problems */
+ event.type = FF_ALLOC_EVENT;
+ event.user.data1 = is;
+ SDL_PushEvent(&event);
+
+ /* wait until the picture is allocated */
+ SDL_LockMutex(is->pictq_mutex);
+ while (!vp->allocated && !is->videoq.abort_request) {
+ SDL_CondWait(is->pictq_cond, is->pictq_mutex);
+ }
+ SDL_UnlockMutex(is->pictq_mutex);
+
+ if (is->videoq.abort_request)
+ return -1;
+ }
+
+ if (vp->bmp) {
+ /* get a pointer on the bitmap */
+ SDL_LockYUVOverlay (vp->bmp);
+
+ dst_pix_fmt = PIX_FMT_YUV420P;
+ pict.data[0] = vp->bmp->pixels[0];
+ pict.data[1] = vp->bmp->pixels[2];
+ pict.data[2] = vp->bmp->pixels[1];
+
+ pict.linesize[0] = vp->bmp->pitches[0];
+ pict.linesize[1] = vp->bmp->pitches[2];
+ pict.linesize[2] = vp->bmp->pitches[1];
+
+ img_convert(&pict, dst_pix_fmt,
+ src_pict, is->video_st->codec.pix_fmt,
+ is->video_st->codec.width, is->video_st->codec.height);
+ /* update the bitmap content */
+ SDL_UnlockYUVOverlay(vp->bmp);
+
+ /* compute delay for the next frame and take into account the
+ pts if needed to make a correction. Since we do not support
+ correct MPEG B frame PTS, we put a high threshold */
+
+ if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
+ ref_clock = is->video_clock;
+ } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
+ /* cannot use audio master if no audio, so fall back to no sync */
+ if (!is->audio_st)
+ ref_clock = is->video_clock;
+ else
+ ref_clock = is->audio_clock;
+ } else {
+ ref_clock = is->external_clock;
+ }
+ diff = is->video_clock - ref_clock;
+ delay = (double)is->video_st->codec.frame_rate_base /
+ (double)is->video_st->codec.frame_rate;
+ if (fabs(diff) > VIDEO_CORRECTION_THRESHOLD) {
+ /* if too big difference, then we adjust */
+ delay += diff;
+ /* compute the difference */
+ if (delay < 0.01)
+ delay = 0.01;
+ else if (delay > 1.0)
+ delay = 1.0;
+ }
+ vp->delay = (int)(delay * 1000 + 0.5);
+
+ /* now we can update the picture count */
+ if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
+ is->pictq_windex = 0;
+ SDL_LockMutex(is->pictq_mutex);
+ is->pictq_size++;
+ SDL_UnlockMutex(is->pictq_mutex);
+ }
+
+ /* update video clock */
+ if (pts != 0) {
+ is->video_clock = pts;
+ } else {
+ is->video_clock += (double)is->video_st->codec.frame_rate_base /
+ (double)is->video_st->codec.frame_rate;
+ }
+ return 0;
+}
+
+static int video_thread(void *arg)
+{
+ VideoState *is = arg;
+ AVPacket pkt1, *pkt = &pkt1;
+ unsigned char *ptr;
+ int len, len1, got_picture, i;
+ AVFrame frame;
+ AVPicture pict;
+ int64_t ipts;
+ double pts;
+
+ for(;;) {
+ while (is->paused && !is->videoq.abort_request) {
+ SDL_Delay(10);
+ }
+ if (packet_queue_get(&is->videoq, pkt, 1) < 0)
+ break;
+ ipts = pkt->pts;
+ ptr = pkt->data;
+ if (is->video_st->codec.codec_id == CODEC_ID_RAWVIDEO) {
+ avpicture_fill(&pict, ptr,
+ is->video_st->codec.pix_fmt,
+ is->video_st->codec.width,
+ is->video_st->codec.height);
+ pts = 0;
+ if (ipts != AV_NOPTS_VALUE)
+ pts = (double)ipts * is->ic->pts_num / is->ic->pts_den;
+ if (output_picture(is, &pict, pts) < 0)
+ goto the_end;
+ } else {
+ len = pkt->size;
+ while (len > 0) {
+ len1 = avcodec_decode_video(&is->video_st->codec,
+ &frame, &got_picture, ptr, len);
+ if (len1 < 0)
+ break;
+ if (got_picture) {
+ for(i=0;i<4;i++) {
+ pict.data[i] = frame.data[i];
+ pict.linesize[i] = frame.linesize[i];
+ }
+ pts = 0;
+ if (ipts != AV_NOPTS_VALUE)
+ pts = (double)ipts * is->ic->pts_num / is->ic->pts_den;
+ ipts = AV_NOPTS_VALUE;
+ if (output_picture(is, &pict, pts) < 0)
+ goto the_end;
+ }
+ ptr += len1;
+ len -= len1;
+ }
+ }
+ av_free_packet(pkt);
+ }
+ the_end:
+ return 0;
+}
+
+/* copy samples for viewing in editor window */
+static void update_sample_display(VideoState *is, short *samples, int samples_size)
+{
+ int size, len, channels;
+
+ channels = is->audio_st->codec.channels;
+
+ size = samples_size / sizeof(short);
+ while (size > 0) {
+ len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
+ if (len > size)
+ len = size;
+ memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
+ samples += len;
+ is->sample_array_index += len;
+ if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
+ is->sample_array_index = 0;
+ size -= len;
+ }
+}
+
+/* maximum audio speed change to get correct sync */
+#define SAMPLE_CORRECTION_PERCENT_MAX 2
+
+/* return the new audio buffer size (samples can be added or deleted
+ to get better sync if video or external master clock) */
+static int synchronize_audio(VideoState *is, short *samples,
+ int samples_size, double pts)
+{
+ int n, delay;
+ double ref_clock;
+
+ n = 2 * is->audio_st->codec.channels;
+
+ if (is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)
+ ref_clock = is->external_clock;
+ else if (is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st)
+ ref_clock = is->video_clock;
+ else
+ ref_clock = is->audio_clock;
+
+ /* if not master, then we try to remove or add samples to correct the clock */
+
+ if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
+ is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK) && pts != 0) {
+ double diff;
+ int wanted_size, min_size, max_size, nb_samples;
+ delay = audio_write_get_buf_size(is);
+ diff = pts - (double)delay / (double)(n * is->audio_st->codec.sample_rate) - ref_clock;
+ wanted_size = (int)(diff * is->audio_st->codec.sample_rate) * n;
+ nb_samples = samples_size / n;
+
+ min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
+ max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
+ if (wanted_size < min_size)
+ wanted_size = min_size;
+ else if (wanted_size > max_size)
+ wanted_size = max_size;
+
+ /* do the correct */
+ /* XXX: do it better with sample interpolation */
+ if (wanted_size < samples_size) {
+ /* remove samples */
+ samples_size = wanted_size;
+ } else if (wanted_size > samples_size) {
+ uint8_t *samples_end, *q;
+ int nb;
+
+ /* add samples */
+ nb = (samples_size - wanted_size);
+ samples_end = (uint8_t *)samples + samples_size - n;
+ q = samples_end + n;
+ while (nb > 0) {
+ memcpy(q, samples_end, n);
+ q += n;
+ nb -= n;
+ }
+ samples_size = wanted_size;
+ }
+ }
+
+ /* update audio clock */
+ if (is->av_sync_type == AV_SYNC_AUDIO_MASTER && pts != 0) {
+ /* a pts is given: we update the audio clock precisely */
+ delay = audio_write_get_buf_size(is);
+ is->audio_clock = pts - (double)delay / (double)(n * is->audio_st->codec.sample_rate);
+ } else {
+ is->audio_clock += (double)samples_size / (double)(n * is->audio_st->codec.sample_rate);
+ }
+ return samples_size;
+}
+
+/* decode one audio frame and returns its uncompressed size */
+static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, double *pts_ptr)
+{
+ AVPacket *pkt = &is->audio_pkt;
+ int len1, data_size;
+ double pts;
+
+ for(;;) {
+ if (is->paused || is->audioq.abort_request) {
+ return -1;
+ }
+ while (is->audio_pkt_size > 0) {
+ len1 = avcodec_decode_audio(&is->audio_st->codec,
+ (int16_t *)audio_buf, &data_size,
+ is->audio_pkt_data, is->audio_pkt_size);
+ if (len1 < 0)
+ break;
+ is->audio_pkt_data += len1;
+ is->audio_pkt_size -= len1;
+ if (data_size > 0) {
+ pts = 0;
+ if (is->audio_pkt_ipts != AV_NOPTS_VALUE)
+ pts = (double)is->audio_pkt_ipts * is->ic->pts_num / is->ic->pts_den;
+ *pts_ptr = pts;
+ is->audio_pkt_ipts = AV_NOPTS_VALUE;
+ /* we got samples : we can exit now */
+ return data_size;
+ }
+ }
+
+ /* free previous packet if any */
+ if (pkt->destruct)
+ av_free_packet(pkt);
+
+ /* read next packet */
+ if (packet_queue_get(&is->audioq, pkt, 1) < 0)
+ return -1;
+ is->audio_pkt_data = pkt->data;
+ is->audio_pkt_size = pkt->size;
+ is->audio_pkt_ipts = pkt->pts;
+ }
+}
+
+int audio_write_get_buf_size(VideoState *is)
+{
+ int delay;
+ delay = is->audio_hw_buf_size;
+#if 0
+ /* just a test to check if the estimated delay is OK */
+ {
+ int val;
+ if (ioctl(sdl_audio_fd, SNDCTL_DSP_GETODELAY, &val) < 0)
+ perror("SNDCTL_DSP_GETODELAY");
+ printf("real_delay=%d delay=%d\n", val, delay);
+ }
+#endif
+ return delay;
+}
+
+
+/* prepare a new audio buffer */
+void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
+{
+ VideoState *is = opaque;
+ int audio_size, len1;
+ double pts;
+
+ audio_callback_time = av_gettime();
+
+ while (len > 0) {
+ if (is->audio_buf_index >= is->audio_buf_size) {
+ audio_size = audio_decode_frame(is, is->audio_buf, &pts);
+ if (audio_size < 0) {
+ /* if error, just output silence */
+ is->audio_buf_size = 1024;
+ memset(is->audio_buf, 0, is->audio_buf_size);
+ } else {
+ if (is->show_audio)
+ update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
+ audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
+ pts);
+ is->audio_buf_size = audio_size;
+ }
+ is->audio_buf_index = 0;
+ }
+ len1 = is->audio_buf_size - is->audio_buf_index;
+ if (len1 > len)
+ len1 = len;
+ memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
+ len -= len1;
+ stream += len1;
+ is->audio_buf_index += len1;
+ }
+}
+
+
+/* open a given stream. Return 0 if OK */
+static int stream_component_open(VideoState *is, int stream_index)
+{
+ AVFormatContext *ic = is->ic;
+ AVCodecContext *enc;
+ AVCodec *codec;
+ SDL_AudioSpec wanted_spec, spec;
+
+ if (stream_index < 0 || stream_index >= ic->nb_streams)
+ return -1;
+ enc = &ic->streams[stream_index]->codec;
+
+
+ /* prepare audio output */
+ if (enc->codec_type == CODEC_TYPE_AUDIO) {
+ wanted_spec.freq = enc->sample_rate;
+ wanted_spec.format = AUDIO_S16SYS;
+ wanted_spec.channels = enc->channels;
+ wanted_spec.silence = 0;
+ wanted_spec.samples = 8192;
+ wanted_spec.callback = sdl_audio_callback;
+ wanted_spec.userdata = is;
+ if (SDL_OpenAudio(&wanted_spec, &spec) < 0)
+ return -1;
+ is->audio_hw_buf_size = spec.size;
+ }
+
+ codec = avcodec_find_decoder(enc->codec_id);
+ if (!codec ||
+ avcodec_open(enc, codec) < 0)
+ return -1;
+ switch(enc->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ is->audio_stream = stream_index;
+ is->audio_st = ic->streams[stream_index];
+ is->audio_buf_size = 0;
+ is->audio_buf_index = 0;
+ is->audio_pkt_size = 0;
+ memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
+ packet_queue_init(&is->audioq);
+ SDL_PauseAudio(0);
+ break;
+ case CODEC_TYPE_VIDEO:
+ is->video_stream = stream_index;
+ is->video_st = ic->streams[stream_index];
+
+ packet_queue_init(&is->videoq);
+ is->video_tid = SDL_CreateThread(video_thread, is);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static void stream_component_close(VideoState *is, int stream_index)
+{
+ AVFormatContext *ic = is->ic;
+ AVCodecContext *enc;
+
+ enc = &ic->streams[stream_index]->codec;
+
+ switch(enc->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ packet_queue_abort(&is->audioq);
+
+ SDL_CloseAudio();
+
+ packet_queue_end(&is->audioq);
+ break;
+ case CODEC_TYPE_VIDEO:
+ packet_queue_abort(&is->videoq);
+
+ /* note: we also signal this mutex to make sure we deblock the
+ video thread in all cases */
+ SDL_LockMutex(is->pictq_mutex);
+ SDL_CondSignal(is->pictq_cond);
+ SDL_UnlockMutex(is->pictq_mutex);
+
+ SDL_WaitThread(is->video_tid, NULL);
+
+ packet_queue_end(&is->videoq);
+ break;
+ default:
+ break;
+ }
+
+ avcodec_close(enc);
+ switch(enc->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ is->audio_st = NULL;
+ is->audio_stream = -1;
+ break;
+ case CODEC_TYPE_VIDEO:
+ is->video_st = NULL;
+ is->video_stream = -1;
+ break;
+ default:
+ break;
+ }
+}
+
+
+/* this thread gets the stream from the disk or the network */
+static int decode_thread(void *arg)
+{
+ VideoState *is = arg;
+ AVFormatContext *ic;
+ int err, i, ret, video_index, audio_index;
+ AVPacket pkt1, *pkt = &pkt1;
+
+ video_index = -1;
+ audio_index = -1;
+ is->video_stream = -1;
+ is->audio_stream = -1;
+
+ err = av_open_input_file(&ic, is->filename, NULL, 0, NULL);
+ if (err < 0)
+ return 0;
+ is->ic = ic;
+ err = av_find_stream_info(ic);
+ if (err < 0)
+ goto fail;
+
+ for(i = 0; i < ic->nb_streams; i++) {
+ AVCodecContext *enc = &ic->streams[i]->codec;
+ switch(enc->codec_type) {
+ case CODEC_TYPE_AUDIO:
+ if (audio_index < 0 && !audio_disable)
+ audio_index = i;
+ break;
+ case CODEC_TYPE_VIDEO:
+ if (video_index < 0 && !video_disable)
+ video_index = i;
+ break;
+ default:
+ break;
+ }
+ }
+ if (show_status) {
+ dump_format(ic, 0, is->filename, 0);
+ }
+
+ /* open the streams */
+ if (audio_index >= 0) {
+ stream_component_open(is, audio_index);
+ }
+
+ if (video_index >= 0) {
+ stream_component_open(is, video_index);
+ } else {
+ if (!display_disable)
+ is->show_audio = 1;
+ }
+
+ if (is->video_stream < 0 && is->audio_stream < 0) {
+ goto fail;
+ }
+
+ for(;;) {
+ if (is->abort_request)
+ break;
+ /* if the queue are full, no need to read more */
+ if (is->audioq.size > MAX_AUDIOQ_SIZE ||
+ is->videoq.size > MAX_VIDEOQ_SIZE) {
+ /* wait 10 ms */
+ SDL_Delay(10);
+ continue;
+ }
+ ret = av_read_packet(ic, pkt);
+ if (ret < 0) {
+ break;
+ }
+ if (pkt->stream_index == is->audio_stream) {
+ packet_queue_put(&is->audioq, pkt);
+ } else if (pkt->stream_index == is->video_stream) {
+ packet_queue_put(&is->videoq, pkt);
+ } else {
+ av_free_packet(pkt);
+ }
+ }
+ /* wait until the end */
+ while (!is->abort_request) {
+ SDL_Delay(100);
+ }
+
+ fail:
+ /* close each stream */
+ if (is->audio_stream >= 0)
+ stream_component_close(is, is->audio_stream);
+ if (is->video_stream >= 0)
+ stream_component_close(is, is->video_stream);
+
+ av_close_input_file(is->ic);
+ is->ic = NULL; /* safety */
+ return 0;
+}
+
+/* pause or resume the video */
+static void stream_pause(VideoState *is)
+{
+ is->paused = !is->paused;
+}
+
+static VideoState *stream_open(const char *filename)
+{
+ VideoState *is;
+
+ is = av_mallocz(sizeof(VideoState));
+ if (!is)
+ return NULL;
+ pstrcpy(is->filename, sizeof(is->filename), filename);
+ if (screen) {
+ is->width = screen->w;
+ is->height = screen->h;
+ }
+ is->ytop = 0;
+ is->xleft = 0;
+
+ /* start video display */
+ is->pictq_mutex = SDL_CreateMutex();
+ is->pictq_cond = SDL_CreateCond();
+
+ /* add the refresh timer to draw the picture */
+ schedule_refresh(is, 40);
+
+ is->av_sync_type = AV_SYNC_AUDIO_MASTER;
+
+ is->parse_tid = SDL_CreateThread(decode_thread, is);
+ if (!is->parse_tid) {
+ av_free(is);
+ return NULL;
+ }
+ return is;
+}
+
+static void stream_close(VideoState *is)
+{
+ VideoPicture *vp;
+ int i;
+ /* XXX: use a special url_shutdown call to abort parse cleanly */
+ is->abort_request = 1;
+ SDL_WaitThread(is->parse_tid, NULL);
+
+ /* free all pictures */
+ for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
+ vp = &is->pictq[i];
+ if (vp->bmp) {
+ SDL_FreeYUVOverlay(vp->bmp);
+ vp->bmp = NULL;
+ }
+ }
+ SDL_DestroyMutex(is->pictq_mutex);
+ SDL_DestroyCond(is->pictq_cond);
+}
+
+void toggle_full_screen(void)
+{
+ int w, h, flags;
+ is_full_screen = !is_full_screen;
+ if (!fs_screen_width) {
+ /* use default SDL method */
+ SDL_WM_ToggleFullScreen(screen);
+ } else {
+ /* use the recorded resolution */
+ flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
+ if (is_full_screen) {
+ w = fs_screen_width;
+ h = fs_screen_height;
+ flags |= SDL_FULLSCREEN;
+ } else {
+ w = screen_width;
+ h = screen_height;
+ flags |= SDL_RESIZABLE;
+ }
+ screen = SDL_SetVideoMode(w, h, 0, flags);
+ cur_stream->width = w;
+ cur_stream->height = h;
+ }
+}
+
+void toggle_pause(void)
+{
+ if (cur_stream)
+ stream_pause(cur_stream);
+}
+
+void do_exit(void)
+{
+ if (cur_stream) {
+ stream_close(cur_stream);
+ cur_stream = NULL;
+ }
+ if (show_status)
+ printf("\n");
+ SDL_Quit();
+ exit(0);
+}
+
+void toggle_audio_display(void)
+{
+ if (cur_stream) {
+ cur_stream->show_audio = !cur_stream->show_audio;
+ }
+}
+
+/* handle an event sent by the GUI */
+void event_loop(void)
+{
+ SDL_Event event;
+
+ for(;;) {
+ SDL_WaitEvent(&event);
+ switch(event.type) {
+ case SDL_KEYDOWN:
+ switch(event.key.keysym.sym) {
+ case SDLK_ESCAPE:
+ case SDLK_q:
+ do_exit();
+ break;
+ case SDLK_f:
+ toggle_full_screen();
+ break;
+ case SDLK_p:
+ case SDLK_SPACE:
+ toggle_pause();
+ break;
+ case SDLK_a:
+ toggle_audio_display();
+ break;
+ default:
+ break;
+ }
+ break;
+ case SDL_VIDEORESIZE:
+ if (cur_stream) {
+ screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
+ SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
+ cur_stream->width = event.resize.w;
+ cur_stream->height = event.resize.h;
+ }
+ break;
+ case SDL_QUIT:
+ do_exit();
+ break;
+ case FF_ALLOC_EVENT:
+ alloc_picture(event.user.data1);
+ break;
+ case FF_REFRESH_EVENT:
+ video_refresh_timer(event.user.data1);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+void opt_width(const char *arg)
+{
+ screen_width = atoi(arg);
+}
+
+void opt_height(const char *arg)
+{
+ screen_height = atoi(arg);
+}
+
+static void opt_format(const char *arg)
+{
+ file_iformat = av_find_input_format(arg);
+ if (!file_iformat) {
+ fprintf(stderr, "Unknown input format: %s\n", arg);
+ exit(1);
+ }
+}
+
+const OptionDef options[] = {
+ { "h", 0, {(void*)show_help}, "show help" },
+ { "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
+ { "y", HAS_ARG, {(void*)opt_height}, "force displayed height", "height" },
+ { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
+ { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
+ { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
+ { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
+ { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
+ { NULL, },
+};
+
+void show_help(void)
+{
+ printf("usage: ffplay [options] input_file\n"
+ "Simple media player\n");
+ printf("\n");
+ show_help_options(options);
+ printf("\nWhile playing:\n"
+ "q, ESC quit\n"
+ "f toggle full screen\n"
+ "p, SPC pause\n"
+ "a show audio waves\n"
+ );
+ exit(1);
+}
+
+void parse_arg_file(const char *filename)
+{
+ input_filename = filename;
+}
+
+/* Called from the main */
+int main(int argc, char **argv)
+{
+ int flags;
+
+ /* register all codecs, demux and protocols */
+ av_register_all();
+
+ parse_options(argc, argv, options);
+
+ if (!input_filename)
+ show_help();
+
+ if (display_disable) {
+ video_disable = 1;
+ }
+ flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER | SDL_INIT_EVENTTHREAD;
+ if (SDL_Init (flags)) {
+ fprintf(stderr, "Could not initialize SDL - exiting\n");
+ exit(1);
+ }
+
+ if (!display_disable) {
+ screen = SDL_SetVideoMode(screen_width, screen_height, 0,
+ SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
+ if (!screen) {
+ fprintf(stderr, "SDL: could not set video mode - exiting\n");
+ exit(1);
+ }
+ SDL_WM_SetCaption("FFplay", "FFplay");
+#ifdef HAVE_X11
+ /* save the screen resolution... SDL should allow full screen
+ by resizing the window */
+ {
+ Display *dpy;
+ dpy = XOpenDisplay(NULL);
+ if (dpy) {
+ fs_screen_width = DisplayWidth(dpy, DefaultScreen(dpy));
+ fs_screen_height = DisplayHeight(dpy, DefaultScreen(dpy));
+ XCloseDisplay(dpy);
+ }
+ }
+#endif
+ }
+
+ SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
+ SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
+ SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
+ SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
+
+ cur_stream = stream_open(input_filename);
+
+ event_loop();
+
+ /* never returns */
+
+ return 0;
+}
--
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