]> rtime.felk.cvut.cz Git - frescor/ffmpeg.git/blobdiff - ffplay.c
frsh: Export information about the last RTP contract and VRES
[frescor/ffmpeg.git] / ffplay.c
index ad98f0a22ce5a3fa449a6445e6e5d405d47fd8f6..cc12b4a97dd31e23619b65e4b3df7c36a13faa5c 100644 (file)
--- a/ffplay.c
+++ b/ffplay.c
@@ -110,6 +110,7 @@ typedef struct VideoState {
     int seek_req;
     int seek_flags;
     int64_t seek_pos;
+    int64_t seek_rel;
     AVFormatContext *ic;
     int dtg_active_format;
 
@@ -134,9 +135,8 @@ typedef struct VideoState {
     uint8_t *audio_buf;
     unsigned int audio_buf_size; /* in bytes */
     int audio_buf_index; /* in bytes */
+    AVPacket audio_pkt_temp;
     AVPacket audio_pkt;
-    uint8_t *audio_pkt_data;
-    int audio_pkt_size;
     enum SampleFormat audio_src_fmt;
     AVAudioConvert *reformat_ctx;
 
@@ -191,6 +191,7 @@ static int audio_disable;
 static int video_disable;
 static int wanted_audio_stream= 0;
 static int wanted_video_stream= 0;
+static int wanted_subtitle_stream= -1;
 static int seek_by_bytes;
 static int display_disable;
 static int show_status;
@@ -281,7 +282,7 @@ static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
         q->last_pkt->next = pkt1;
     q->last_pkt = pkt1;
     q->nb_packets++;
-    q->size += pkt1->pkt.size;
+    q->size += pkt1->pkt.size + sizeof(*pkt1);
     /* XXX: should duplicate packet data in DV case */
     SDL_CondSignal(q->cond);
 
@@ -320,7 +321,7 @@ static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
             if (!q->first_pkt)
                 q->last_pkt = NULL;
             q->nb_packets--;
-            q->size -= pkt1->pkt.size;
+            q->size -= pkt1->pkt.size + sizeof(*pkt1);
             *pkt = pkt1->pkt;
             av_free(pkt1);
             ret = 1;
@@ -449,7 +450,7 @@ static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw,
     cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
     cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
 
-    width2 = (dstw + 1) >> 1;
+    width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
     skip2 = dstx >> 1;
     wrap = dst->linesize[0];
     wrap3 = rect->pict.linesize[0];
@@ -498,8 +499,8 @@ static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw,
             p++;
             lum++;
         }
-        p += wrap3 + (wrap3 - dstw * BPP);
-        lum += wrap + (wrap - dstw - dstx);
+        p += wrap3 - dstw * BPP;
+        lum += wrap - dstw - dstx;
         cb += dst->linesize[1] - width2 - skip2;
         cr += dst->linesize[2] - width2 - skip2;
     }
@@ -983,11 +984,11 @@ static double get_master_clock(VideoState *is)
 }
 
 /* seek in the stream */
-static void stream_seek(VideoState *is, int64_t pos, int rel)
+static void stream_seek(VideoState *is, int64_t pos, int64_t rel)
 {
     if (!is->seek_req) {
         is->seek_pos = pos;
-        is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0;
+        is->seek_rel = rel;
         if (seek_by_bytes)
             is->seek_flags |= AVSEEK_FLAG_BYTE;
         is->seek_req = 1;
@@ -1004,12 +1005,62 @@ static void stream_pause(VideoState *is)
     }
 }
 
+static double compute_frame_delay(double frame_current_pts, VideoState *is)
+{
+    double actual_delay, delay, sync_threshold, ref_clock, diff;
+
+    /* compute nominal delay */
+    delay = frame_current_pts - is->frame_last_pts;
+    if (delay <= 0 || delay >= 10.0) {
+        /* if incorrect delay, use previous one */
+        delay = is->frame_last_delay;
+    } else {
+        is->frame_last_delay = delay;
+    }
+    is->frame_last_pts = frame_current_pts;
+
+    /* update delay to follow master synchronisation source */
+    if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
+         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
+        /* if video is slave, we try to correct big delays by
+           duplicating or deleting a frame */
+        ref_clock = get_master_clock(is);
+        diff = frame_current_pts - ref_clock;
+
+        /* skip or repeat frame. We take into account the
+           delay to compute the threshold. I still don't know
+           if it is the best guess */
+        sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
+        if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
+            if (diff <= -sync_threshold)
+                delay = 0;
+            else if (diff >= sync_threshold)
+                delay = 2 * delay;
+        }
+    }
+
+    is->frame_timer += delay;
+    /* compute the REAL delay (we need to do that to avoid
+       long term errors */
+    actual_delay = is->frame_timer - (av_gettime() / 1000000.0);
+    if (actual_delay < 0.010) {
+        /* XXX: should skip picture */
+        actual_delay = 0.010;
+    }
+
+#if defined(DEBUG_SYNC)
+    printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
+            delay, actual_delay, frame_current_pts, -diff);
+#endif
+
+    return actual_delay;
+}
+
 /* called to display each frame */
 static void video_refresh_timer(void *opaque)
 {
     VideoState *is = opaque;
     VideoPicture *vp;
-    double actual_delay, delay, sync_threshold, ref_clock, diff;
 
     SubPicture *sp, *sp2;
 
@@ -1025,50 +1076,8 @@ static void video_refresh_timer(void *opaque)
             is->video_current_pts = vp->pts;
             is->video_current_pts_time = av_gettime();
 
-            /* compute nominal delay */
-            delay = vp->pts - is->frame_last_pts;
-            if (delay <= 0 || delay >= 10.0) {
-                /* if incorrect delay, use previous one */
-                delay = is->frame_last_delay;
-            }
-            is->frame_last_delay = delay;
-            is->frame_last_pts = vp->pts;
-
-            /* update delay to follow master synchronisation source */
-            if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
-                 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
-                /* if video is slave, we try to correct big delays by
-                   duplicating or deleting a frame */
-                ref_clock = get_master_clock(is);
-                diff = vp->pts - ref_clock;
-
-                /* skip or repeat frame. We take into account the
-                   delay to compute the threshold. I still don't know
-                   if it is the best guess */
-                sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
-                if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
-                    if (diff <= -sync_threshold)
-                        delay = 0;
-                    else if (diff >= sync_threshold)
-                        delay = 2 * delay;
-                }
-            }
-
-            is->frame_timer += delay;
-            /* compute the REAL delay (we need to do that to avoid
-               long term errors */
-            actual_delay = is->frame_timer - (av_gettime() / 1000000.0);
-            if (actual_delay < 0.010) {
-                /* XXX: should skip picture */
-                actual_delay = 0.010;
-            }
             /* launch timer for next picture */
-            schedule_refresh(is, (int)(actual_delay * 1000 + 0.5));
-
-#if defined(DEBUG_SYNC)
-            printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
-                   delay, actual_delay, vp->pts, -diff);
-#endif
+            schedule_refresh(is, (int)(compute_frame_delay(vp->pts, is) * 1000 + 0.5));
 
             if(is->subtitle_st) {
                 if (is->subtitle_stream_changed) {
@@ -1217,7 +1226,6 @@ 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 */
@@ -1260,10 +1268,13 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
 
     /* if the frame is not skipped, then display it */
     if (vp->bmp) {
+        AVPicture pict;
+
         /* get a pointer on the bitmap */
         SDL_LockYUVOverlay (vp->bmp);
 
         dst_pix_fmt = PIX_FMT_YUV420P;
+        memset(&pict,0,sizeof(AVPicture));
         pict.data[0] = vp->bmp->pixels[0];
         pict.data[1] = vp->bmp->pixels[2];
         pict.data[2] = vp->bmp->pixels[1];
@@ -1360,9 +1371,9 @@ static int video_thread(void *arg)
         /* NOTE: ipts is the PTS of the _first_ picture beginning in
            this packet, if any */
         is->video_st->codec->reordered_opaque= pkt->pts;
-        len1 = avcodec_decode_video(is->video_st->codec,
+        len1 = avcodec_decode_video2(is->video_st->codec,
                                     frame, &got_picture,
-                                    pkt->data, pkt->size);
+                                    pkt);
 
         if(   (decoder_reorder_pts || pkt->dts == AV_NOPTS_VALUE)
            && frame->reordered_opaque != AV_NOPTS_VALUE)
@@ -1428,9 +1439,9 @@ static int subtitle_thread(void *arg)
         if (pkt->pts != AV_NOPTS_VALUE)
             pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
 
-        len1 = avcodec_decode_subtitle(is->subtitle_st->codec,
+        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
                                     &sp->sub, &got_subtitle,
-                                    pkt->data, pkt->size);
+                                    pkt);
 //            if (len1 < 0)
 //                break;
         if (got_subtitle && sp->sub.format == 0) {
@@ -1565,6 +1576,7 @@ static int synchronize_audio(VideoState *is, short *samples,
 /* decode one audio frame and returns its uncompressed size */
 static int audio_decode_frame(VideoState *is, double *pts_ptr)
 {
+    AVPacket *pkt_temp = &is->audio_pkt_temp;
     AVPacket *pkt = &is->audio_pkt;
     AVCodecContext *dec= is->audio_st->codec;
     int n, len1, data_size;
@@ -1572,19 +1584,19 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
 
     for(;;) {
         /* NOTE: the audio packet can contain several frames */
-        while (is->audio_pkt_size > 0) {
+        while (pkt_temp->size > 0) {
             data_size = sizeof(is->audio_buf1);
-            len1 = avcodec_decode_audio2(dec,
+            len1 = avcodec_decode_audio3(dec,
                                         (int16_t *)is->audio_buf1, &data_size,
-                                        is->audio_pkt_data, is->audio_pkt_size);
+                                        pkt_temp);
             if (len1 < 0) {
                 /* if error, we skip the frame */
-                is->audio_pkt_size = 0;
+                pkt_temp->size = 0;
                 break;
             }
 
-            is->audio_pkt_data += len1;
-            is->audio_pkt_size -= len1;
+            pkt_temp->data += len1;
+            pkt_temp->size -= len1;
             if (data_size <= 0)
                 continue;
 
@@ -1654,8 +1666,8 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
             continue;
         }
 
-        is->audio_pkt_data = pkt->data;
-        is->audio_pkt_size = pkt->size;
+        pkt_temp->data = pkt->data;
+        pkt_temp->size = pkt->size;
 
         /* if update the audio clock with the pts */
         if (pkt->pts != AV_NOPTS_VALUE) {
@@ -1743,7 +1755,7 @@ static int stream_component_open(VideoState *is, int stream_index)
     enc->error_recognition= error_recognition;
     enc->error_concealment= error_concealment;
 
-    set_context_opts(enc, avctx_opts[enc->codec_type], 0);
+    set_context_opts(enc, avcodec_opts[enc->codec_type], 0);
 
     if (!codec ||
         avcodec_open(enc, codec) < 0)
@@ -1885,22 +1897,9 @@ static void stream_component_close(VideoState *is, int stream_index)
 
 static void dump_stream_info(const AVFormatContext *s)
 {
-    if (s->track != 0)
-        fprintf(stderr, "Track: %d\n", s->track);
-    if (s->title[0] != '\0')
-        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)
-        fprintf(stderr, "Year: %d\n", s->year);
-    if (s->genre[0] != '\0')
-        fprintf(stderr, "Genre: %s\n", s->genre);
+    AVMetadataTag *tag = NULL;
+    while ((tag=av_metadata_get(s->metadata,"",tag,AV_METADATA_IGNORE_SUFFIX)))
+        fprintf(stderr, "%s: %s\n", tag->key, tag->value);
 }
 
 /* since we have only one decoding thread, we can use a global
@@ -1917,12 +1916,14 @@ static int decode_thread(void *arg)
 {
     VideoState *is = arg;
     AVFormatContext *ic;
-    int err, i, ret, video_index, audio_index;
+    int err, i, ret, video_index, audio_index, subtitle_index;
     AVPacket pkt1, *pkt = &pkt1;
     AVFormatParameters params, *ap = &params;
+    int eof=0;
 
     video_index = -1;
     audio_index = -1;
+    subtitle_index = -1;
     is->video_stream = -1;
     is->audio_stream = -1;
     is->subtitle_stream = -1;
@@ -1965,7 +1966,7 @@ static int decode_thread(void *arg)
         /* add the stream start time */
         if (ic->start_time != AV_NOPTS_VALUE)
             timestamp += ic->start_time;
-        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
+        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
         if (ret < 0) {
             fprintf(stderr, "%s: could not seek to position %0.3f\n",
                     is->filename, (double)timestamp / AV_TIME_BASE);
@@ -1977,13 +1978,17 @@ static int decode_thread(void *arg)
         ic->streams[i]->discard = AVDISCARD_ALL;
         switch(enc->codec_type) {
         case CODEC_TYPE_AUDIO:
-            if ((audio_index < 0 || wanted_audio_stream-- > 0) && !audio_disable)
+            if (wanted_audio_stream-- >= 0 && !audio_disable)
                 audio_index = i;
             break;
         case CODEC_TYPE_VIDEO:
-            if ((video_index < 0 || wanted_video_stream-- > 0) && !video_disable)
+            if (wanted_video_stream-- >= 0 && !video_disable)
                 video_index = i;
             break;
+        case CODEC_TYPE_SUBTITLE:
+            if (wanted_subtitle_stream-- >= 0 && !video_disable)
+                subtitle_index = i;
+            break;
         default:
             break;
         }
@@ -2005,6 +2010,10 @@ static int decode_thread(void *arg)
             is->show_audio = 1;
     }
 
+    if (subtitle_index >= 0) {
+        stream_component_open(is, subtitle_index);
+    }
+
     if (is->video_stream < 0 && is->audio_stream < 0) {
         fprintf(stderr, "%s: could not open codecs\n", is->filename);
         ret = -1;
@@ -2030,18 +2039,13 @@ static int decode_thread(void *arg)
         }
 #endif
         if (is->seek_req) {
-            int stream_index= -1;
             int64_t seek_target= is->seek_pos;
+            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
+            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
+//FIXME the +-2 is due to rounding being not done in the correct direction in generation
+//      of the seek_pos/seek_rel variables
 
-            if     (is->   video_stream >= 0) stream_index= is->   video_stream;
-            else if(is->   audio_stream >= 0) stream_index= is->   audio_stream;
-            else if(is->subtitle_stream >= 0) stream_index= is->subtitle_stream;
-
-            if(stream_index>=0){
-                seek_target= av_rescale_q(seek_target, AV_TIME_BASE_Q, ic->streams[stream_index]->time_base);
-            }
-
-            ret = av_seek_frame(is->ic, stream_index, seek_target, is->seek_flags);
+            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
             if (ret < 0) {
                 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
             }else{
@@ -2059,6 +2063,7 @@ static int decode_thread(void *arg)
                 }
             }
             is->seek_req = 0;
+            eof= 0;
         }
 
         /* if the queue are full, no need to read more */
@@ -2069,21 +2074,25 @@ static int decode_thread(void *arg)
             SDL_Delay(10);
             continue;
         }
-        if(url_feof(ic->pb)) {
-            av_init_packet(pkt);
-            pkt->data=NULL;
-            pkt->size=0;
-            pkt->stream_index= is->video_stream;
-            packet_queue_put(&is->videoq, pkt);
+        if(url_feof(ic->pb) || eof) {
+            if(is->video_stream >= 0){
+                av_init_packet(pkt);
+                pkt->data=NULL;
+                pkt->size=0;
+                pkt->stream_index= is->video_stream;
+                packet_queue_put(&is->videoq, pkt);
+            }
+            SDL_Delay(10);
             continue;
         }
         ret = av_read_frame(ic, pkt);
         if (ret < 0) {
-            if (url_ferror(ic->pb) == 0) {
-                SDL_Delay(100); /* wait for user event */
-                continue;
-            } else
+            if (ret == AVERROR_EOF)
+                eof=1;
+            if (url_ferror(ic->pb))
                 break;
+            SDL_Delay(100); /* wait for user event */
+            continue;
         }
         if (pkt->stream_index == is->audio_stream) {
             packet_queue_put(&is->audioq, pkt);
@@ -2341,7 +2350,7 @@ static void event_loop(void)
                     } else {
                         pos = get_master_clock(cur_stream);
                         pos += incr;
-                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr);
+                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE));
                     }
                 }
                 break;
@@ -2484,8 +2493,9 @@ static const OptionDef options[] = {
     { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
     { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
     { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
-    { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_audio_stream}, "", "" },
-    { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_video_stream}, "", "" },
+    { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_audio_stream}, "select desired audio stream", "stream_number" },
+    { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_video_stream}, "select desired video stream", "stream_number" },
+    { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_subtitle_stream}, "select desired subtitle stream", "stream_number" },
     { "ss", HAS_ARG | OPT_FUNC2, {(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" },
@@ -2552,9 +2562,9 @@ int main(int argc, char **argv)
     av_register_all();
 
     for(i=0; i<CODEC_TYPE_NB; i++){
-        avctx_opts[i]= avcodec_alloc_context2(i);
+        avcodec_opts[i]= avcodec_alloc_context2(i);
     }
-    avformat_opts = av_alloc_format_context();
+    avformat_opts = avformat_alloc_context();
     sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
 
     show_banner();