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Use currently displayed file position instead of just url_ftell() for seeking by bytes.

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This fixes seeking back with the cursor keys and -bytes.

Originally committed as revision 21605 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-02-02 16:51:02 +00:00
parent c45ebd5461
commit 1a620dd79e
1 changed files with 14 additions and 5 deletions
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19
ffplay.c
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@ -87,6 +87,7 @@ typedef struct PacketQueue {
typedef struct VideoPicture {
double pts; ///<presentation time stamp for this picture
int64_t pos; ///<byte position in file
SDL_Overlay *bmp;
int width, height; /* source height & width */
int allocated;
@ -170,6 +171,7 @@ typedef struct VideoState {
PacketQueue videoq;
double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
double video_current_pts_drift; ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
int64_t video_current_pos; ///<current displayed file pos
VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
int pictq_size, pictq_rindex, pictq_windex;
SDL_mutex *pictq_mutex;
@ -1202,7 +1204,7 @@ static void alloc_picture(void *opaque)
*
* @param pts the dts of the pkt / pts of the frame and guessed if not known
*/
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
{
VideoPicture *vp;
int dst_pix_fmt;
@ -1277,6 +1279,7 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
SDL_UnlockYUVOverlay(vp->bmp);
vp->pts = pts;
vp->pos = pos;
/* now we can update the picture count */
if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
@ -1294,7 +1297,7 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
* compute the exact PTS for the picture if it is omitted in the stream
* @param pts1 the dts of the pkt / pts of the frame
*/
static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1)
static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
{
double frame_delay, pts;
@ -1326,7 +1329,7 @@ static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1)
ftype, pts, pts1);
}
#endif
return queue_picture(is, src_frame, pts);
return queue_picture(is, src_frame, pts, pos);
}
static int video_thread(void *arg)
@ -1359,6 +1362,7 @@ static int video_thread(void *arg)
while (is->pictq_size && !is->videoq.abort_request) {
SDL_CondWait(is->pictq_cond, is->pictq_mutex);
}
is->video_current_pos= -1;
SDL_UnlockMutex(is->pictq_mutex);
is->last_dts_for_fault_detection=
@ -1401,7 +1405,7 @@ static int video_thread(void *arg)
// if (len1 < 0)
// break;
if (got_picture) {
if (output_picture2(is, frame, pts) < 0)
if (output_picture2(is, frame, pts, pkt->pos) < 0)
goto the_end;
}
av_free_packet(pkt);
@ -2357,7 +2361,12 @@ static void event_loop(void)
do_seek:
if (cur_stream) {
if (seek_by_bytes) {
pos = url_ftell(cur_stream->ic->pb);
if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
pos= cur_stream->video_current_pos;
}else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
pos= cur_stream->audio_pkt.pos;
}else
pos = url_ftell(cur_stream->ic->pb);
if (cur_stream->ic->bit_rate)
incr *= cur_stream->ic->bit_rate / 60.0;
else