]> git.sesse.net Git - ffmpeg/blobdiff - ffplay.c
improved stack misalignment warning
[ffmpeg] / ffplay.c
index 720ce324c9ba51fd854cc65830b52d09dcfd4214..f80a435485689af0dac388d274c1245a322f7fe7 100644 (file)
--- a/ffplay.c
+++ b/ffplay.c
@@ -2,29 +2,33 @@
  * 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
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #define HAVE_AV_CONFIG_H
 #include "avformat.h"
+#include "swscale.h"
 
+#include "version.h"
 #include "cmdutils.h"
 
 #include <SDL.h>
 #include <SDL_thread.h>
 
-#ifdef CONFIG_WIN32
+#ifdef __MINGW32__
 #undef main /* We don't want SDL to override our main() */
 #endif
 
@@ -69,6 +73,8 @@
 /* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
 #define SAMPLE_ARRAY_SIZE (2*65536)
 
+static int sws_flags = SWS_BICUBIC;
+
 typedef struct PacketQueue {
     AVPacketList *first_pkt, *last_pkt;
     int nb_packets;
@@ -129,7 +135,7 @@ typedef struct VideoState {
     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];
+    DECLARE_ALIGNED(16,uint8_t,audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2]);
     unsigned int audio_buf_size; /* in bytes */
     int audio_buf_index; /* in bytes */
     AVPacket audio_pkt;
@@ -165,10 +171,6 @@ typedef struct VideoState {
     SDL_mutex *pictq_mutex;
     SDL_cond *pictq_cond;
 
-    SDL_mutex *video_decoder_mutex;
-    SDL_mutex *audio_decoder_mutex;
-    SDL_mutex *subtitle_decoder_mutex;
-
     //    QETimer *video_timer;
     char filename[1024];
     int width, height, xleft, ytop;
@@ -179,7 +181,6 @@ static int audio_write_get_buf_size(VideoState *is);
 
 /* options specified by the user */
 static AVInputFormat *file_iformat;
-static AVImageFormat *image_format;
 static const char *input_filename;
 static int fs_screen_width;
 static int fs_screen_height;
@@ -187,6 +188,7 @@ static int screen_width = 640;
 static int screen_height = 480;
 static int audio_disable;
 static int video_disable;
+static int seek_by_bytes;
 static int display_disable;
 static int show_status;
 static int av_sync_type = AV_SYNC_AUDIO_MASTER;
@@ -211,6 +213,8 @@ static int is_full_screen;
 static VideoState *cur_stream;
 static int64_t audio_callback_time;
 
+AVPacket flush_pkt;
+
 #define FF_ALLOC_EVENT   (SDL_USEREVENT)
 #define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
 #define FF_QUIT_EVENT    (SDL_USEREVENT + 2)
@@ -254,7 +258,7 @@ static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
     AVPacketList *pkt1;
 
     /* duplicate the packet */
-    if (av_dup_packet(pkt) < 0)
+    if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
         return -1;
 
     pkt1 = av_malloc(sizeof(AVPacketList));
@@ -913,6 +917,8 @@ static void stream_seek(VideoState *is, int64_t pos, int rel)
     if (!is->seek_req) {
         is->seek_pos = pos;
         is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0;
+        if (seek_by_bytes)
+            is->seek_flags |= AVSEEK_FLAG_BYTE;
         is->seek_req = 1;
     }
 }
@@ -1142,6 +1148,7 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
     VideoPicture *vp;
     int dst_pix_fmt;
     AVPicture pict;
+    static struct SwsContext *img_convert_ctx;
 
     /* wait until we have space to put a new picture */
     SDL_LockMutex(is->pictq_mutex);
@@ -1194,9 +1201,18 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
         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,
-                    (AVPicture *)src_frame, is->video_st->codec->pix_fmt,
-                    is->video_st->codec->width, is->video_st->codec->height);
+        if (img_convert_ctx == NULL) {
+            img_convert_ctx = sws_getContext(is->video_st->codec->width,
+                    is->video_st->codec->height, is->video_st->codec->pix_fmt,
+                    is->video_st->codec->width, is->video_st->codec->height,
+                    dst_pix_fmt, sws_flags, NULL, NULL, NULL);
+            if (img_convert_ctx == NULL) {
+                fprintf(stderr, "Cannot initialize the conversion context\n");
+                exit(1);
+            }
+        }
+        sws_scale(img_convert_ctx, src_frame->data, src_frame->linesize,
+                  0, is->video_st->codec->height, pict.data, pict.linesize);
         /* update the bitmap content */
         SDL_UnlockYUVOverlay(vp->bmp);
 
@@ -1265,17 +1281,21 @@ static int video_thread(void *arg)
         }
         if (packet_queue_get(&is->videoq, pkt, 1) < 0)
             break;
+
+        if(pkt->data == flush_pkt.data){
+            avcodec_flush_buffers(is->video_st->codec);
+            continue;
+        }
+
         /* NOTE: ipts is the PTS of the _first_ picture beginning in
            this packet, if any */
         pts = 0;
         if (pkt->dts != AV_NOPTS_VALUE)
             pts = av_q2d(is->video_st->time_base)*pkt->dts;
 
-            SDL_LockMutex(is->video_decoder_mutex);
             len1 = avcodec_decode_video(is->video_st->codec,
                                         frame, &got_picture,
                                         pkt->data, pkt->size);
-            SDL_UnlockMutex(is->video_decoder_mutex);
 //            if (len1 < 0)
 //                break;
             if (got_picture) {
@@ -1309,6 +1329,10 @@ static int subtitle_thread(void *arg)
         if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
             break;
 
+        if(pkt->data == flush_pkt.data){
+            avcodec_flush_buffers(is->subtitle_st->codec);
+            continue;
+        }
         SDL_LockMutex(is->subpq_mutex);
         while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
                !is->subtitleq.abort_request) {
@@ -1327,11 +1351,9 @@ static int subtitle_thread(void *arg)
         if (pkt->pts != AV_NOPTS_VALUE)
             pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
 
-        SDL_LockMutex(is->subtitle_decoder_mutex);
         len1 = avcodec_decode_subtitle(is->subtitle_st->codec,
                                     &sp->sub, &got_subtitle,
                                     pkt->data, pkt->size);
-        SDL_UnlockMutex(is->subtitle_decoder_mutex);
 //            if (len1 < 0)
 //                break;
         if (got_subtitle && sp->sub.format == 0) {
@@ -1473,11 +1495,9 @@ static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, double *pts_pt
     for(;;) {
         /* NOTE: the audio packet can contain several frames */
         while (is->audio_pkt_size > 0) {
-            SDL_LockMutex(is->audio_decoder_mutex);
             len1 = avcodec_decode_audio(is->audio_st->codec,
                                         (int16_t *)audio_buf, &data_size,
                                         is->audio_pkt_data, is->audio_pkt_size);
-            SDL_UnlockMutex(is->audio_decoder_mutex);
             if (len1 < 0) {
                 /* if error, we skip the frame */
                 is->audio_pkt_size = 0;
@@ -1517,6 +1537,11 @@ static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, double *pts_pt
         /* read next packet */
         if (packet_queue_get(&is->audioq, pkt, 1) < 0)
             return -1;
+        if(pkt->data == flush_pkt.data){
+            avcodec_flush_buffers(is->audio_st->codec);
+            continue;
+        }
+
         is->audio_pkt_data = pkt->data;
         is->audio_pkt_size = pkt->size;
 
@@ -1605,8 +1630,6 @@ static int stream_component_open(VideoState *is, int stream_index)
     codec = avcodec_find_decoder(enc->codec_id);
     enc->debug_mv = debug_mv;
     enc->debug = debug;
-    if(debug)
-        av_log_set_level(AV_LOG_DEBUG);
     enc->workaround_bugs = workaround_bugs;
     enc->lowres = lowres;
     if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
@@ -1735,7 +1758,7 @@ static void stream_component_close(VideoState *is, int stream_index)
     }
 }
 
-void dump_stream_info(AVFormatContext *s)
+static void dump_stream_info(const AVFormatContext *s)
 {
     if (s->track != 0)
         fprintf(stderr, "Track: %d\n", s->track);
@@ -1743,6 +1766,10 @@ void dump_stream_info(AVFormatContext *s)
         fprintf(stderr, "Title: %s\n", s->title);
     if (s->author[0] != '\0')
         fprintf(stderr, "Author: %s\n", s->author);
+    if (s->copyright[0] != '\0')
+        fprintf(stderr, "Copyright: %s\n", s->copyright);
+    if (s->comment[0] != '\0')
+        fprintf(stderr, "Comment: %s\n", s->comment);
     if (s->album[0] != '\0')
         fprintf(stderr, "Album: %s\n", s->album);
     if (s->year != 0)
@@ -1779,7 +1806,6 @@ static int decode_thread(void *arg)
     url_set_interrupt_cb(decode_interrupt_cb);
 
     memset(ap, 0, sizeof(*ap));
-    ap->image_format = image_format;
     ap->initial_pause = 1; /* we force a pause when starting an RTSP
                               stream */
 
@@ -1791,7 +1817,7 @@ static int decode_thread(void *arg)
     }
     is->ic = ic;
 #ifdef CONFIG_NETWORK
-    use_play = (ic->iformat == &rtsp_demux);
+    use_play = (ic->iformat == &rtsp_demuxer);
 #else
     use_play = 0;
 #endif
@@ -1885,7 +1911,7 @@ static int decode_thread(void *arg)
             else
                 av_read_play(ic);
         }
-        if (is->paused && ic->iformat == &rtsp_demux) {
+        if (is->paused && ic->iformat == &rtsp_demuxer) {
             /* wait 10 ms to avoid trying to get another packet */
             /* XXX: horrible */
             SDL_Delay(10);
@@ -1893,28 +1919,23 @@ static int decode_thread(void *arg)
         }
 #endif
         if (is->seek_req) {
-            /* XXX: must lock decoder threads */
-            SDL_LockMutex(is->video_decoder_mutex);
-            SDL_LockMutex(is->audio_decoder_mutex);
-            SDL_LockMutex(is->subtitle_decoder_mutex);
             ret = av_seek_frame(is->ic, -1, is->seek_pos, is->seek_flags);
             if (ret < 0) {
                 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
             }else{
                 if (is->audio_stream >= 0) {
                     packet_queue_flush(&is->audioq);
+                    packet_queue_put(&is->audioq, &flush_pkt);
                 }
                 if (is->subtitle_stream >= 0) {
                     packet_queue_flush(&is->subtitleq);
+                    packet_queue_put(&is->subtitleq, &flush_pkt);
                 }
                 if (is->video_stream >= 0) {
                     packet_queue_flush(&is->videoq);
-                    avcodec_flush_buffers(ic->streams[video_index]->codec);
+                    packet_queue_put(&is->videoq, &flush_pkt);
                 }
             }
-            SDL_UnlockMutex(is->subtitle_decoder_mutex);
-            SDL_UnlockMutex(is->audio_decoder_mutex);
-            SDL_UnlockMutex(is->video_decoder_mutex);
             is->seek_req = 0;
         }
 
@@ -2001,10 +2022,6 @@ static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
     is->subpq_mutex = SDL_CreateMutex();
     is->subpq_cond = SDL_CreateCond();
 
-    is->subtitle_decoder_mutex = SDL_CreateMutex();
-    is->audio_decoder_mutex = SDL_CreateMutex();
-    is->video_decoder_mutex = SDL_CreateMutex();
-
     /* add the refresh timer to draw the picture */
     schedule_refresh(is, 40);
 
@@ -2037,12 +2054,9 @@ static void stream_close(VideoState *is)
     SDL_DestroyCond(is->pictq_cond);
     SDL_DestroyMutex(is->subpq_mutex);
     SDL_DestroyCond(is->subpq_cond);
-    SDL_DestroyMutex(is->subtitle_decoder_mutex);
-    SDL_DestroyMutex(is->audio_decoder_mutex);
-    SDL_DestroyMutex(is->video_decoder_mutex);
 }
 
-void stream_cycle_channel(VideoState *is, int codec_type)
+static void stream_cycle_channel(VideoState *is, int codec_type)
 {
     AVFormatContext *ic = is->ic;
     int start_index, stream_index;
@@ -2092,7 +2106,7 @@ void stream_cycle_channel(VideoState *is, int codec_type)
 }
 
 
-void toggle_full_screen(void)
+static void toggle_full_screen(void)
 {
     int w, h, flags;
     is_full_screen = !is_full_screen;
@@ -2117,14 +2131,14 @@ void toggle_full_screen(void)
     }
 }
 
-void toggle_pause(void)
+static void toggle_pause(void)
 {
     if (cur_stream)
         stream_pause(cur_stream);
     step = 0;
 }
 
-void step_to_next_frame(void)
+static void step_to_next_frame(void)
 {
     if (cur_stream) {
         if (cur_stream->paused)
@@ -2134,7 +2148,7 @@ void step_to_next_frame(void)
     step = 1;
 }
 
-void do_exit(void)
+static void do_exit(void)
 {
     if (cur_stream) {
         stream_close(cur_stream);
@@ -2146,7 +2160,7 @@ void do_exit(void)
     exit(0);
 }
 
-void toggle_audio_display(void)
+static void toggle_audio_display(void)
 {
     if (cur_stream) {
         cur_stream->show_audio = !cur_stream->show_audio;
@@ -2154,7 +2168,7 @@ void toggle_audio_display(void)
 }
 
 /* handle an event sent by the GUI */
-void event_loop(void)
+static void event_loop(void)
 {
     SDL_Event event;
     double incr, pos, frac;
@@ -2206,9 +2220,19 @@ void event_loop(void)
                 incr = -60.0;
             do_seek:
                 if (cur_stream) {
-                    pos = get_master_clock(cur_stream);
-                    pos += incr;
-                    stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr);
+                    if (seek_by_bytes) {
+                        pos = url_ftell(&cur_stream->ic->pb);
+                        if (cur_stream->ic->bit_rate)
+                            incr *= cur_stream->ic->bit_rate / 60.0;
+                        else
+                            incr *= 180000.0;
+                        pos += incr;
+                        stream_seek(cur_stream, pos, incr);
+                    } else {
+                        pos = get_master_clock(cur_stream);
+                        pos += incr;
+                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr);
+                    }
                 }
                 break;
             default:
@@ -2276,21 +2300,6 @@ static void opt_format(const char *arg)
     }
 }
 
-static void opt_image_format(const char *arg)
-{
-    AVImageFormat *f;
-
-    for(f = first_image_format; f != NULL; f = f->next) {
-        if (!strcmp(arg, f->name))
-            break;
-    }
-    if (!f) {
-        fprintf(stderr, "Unknown image format: '%s'\n", arg);
-        exit(1);
-    }
-    image_format = f;
-}
-
 #ifdef CONFIG_NETWORK
 void opt_rtp_tcp(void)
 {
@@ -2318,6 +2327,7 @@ void opt_seek(const char *arg)
 
 static void opt_debug(const char *arg)
 {
+    av_log_set_level(99);
     debug = atoi(arg);
 }
 
@@ -2342,9 +2352,9 @@ const OptionDef options[] = {
     { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
     { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
     { "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
+    { "bytes", OPT_BOOL, {(void*)&seek_by_bytes}, "seek by bytes" },
     { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
     { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
-    { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
     { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
     { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
     { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
@@ -2368,7 +2378,7 @@ const OptionDef options[] = {
 
 void show_help(void)
 {
-    printf("ffplay version " FFMPEG_VERSION ", Copyright (c) 2003 Fabrice Bellard\n"
+    printf("ffplay version " FFMPEG_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard, et al.\n"
            "usage: ffplay [options] input_file\n"
            "Simple media player\n");
     printf("\n");
@@ -2423,7 +2433,7 @@ int main(int argc, char **argv)
         video_disable = 1;
     }
     flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
-#if !defined(CONFIG_WIN32) && !defined(CONFIG_DARWIN)
+#if !defined(__MINGW32__) && !defined(CONFIG_DARWIN)
     flags |= SDL_INIT_EVENTTHREAD; /* Not supported on win32 or darwin */
 #endif
     if (SDL_Init (flags)) {
@@ -2465,6 +2475,9 @@ int main(int argc, char **argv)
     SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
     SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
 
+    av_init_packet(&flush_pkt);
+    flush_pkt.data= "FLUSH";
+
     cur_stream = stream_open(input_filename, file_iformat);
 
     event_loop();