X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fffmpeg.C;h=e031dcdbac7f19e184954f828683cb3eaf386a2a;hb=7dd4a71f0c957c2d95ae83fe789076d7445ecb60;hp=74b32cf115c2f176a711f098ff59344e5144b46b;hpb=a985e771ecfb00f01c6405c7aa4fb958a780e558;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/ffmpeg.C b/cinelerra-5.1/cinelerra/ffmpeg.C
index 74b32cf1..e031dcdb 100644
--- a/cinelerra-5.1/cinelerra/ffmpeg.C
+++ b/cinelerra-5.1/cinelerra/ffmpeg.C
@@ -33,6 +33,7 @@
 #define AUDIO_INBUF_SIZE 0x10000
 #define VIDEO_REFILL_THRESH 0
 #define AUDIO_REFILL_THRESH 0x1000
+#define AUDIO_MIN_FRAME_SZ 128
 
 Mutex FFMPEG::fflock("FFMPEG::fflock");
 
@@ -395,9 +396,7 @@ int FFStream::decode(AVFrame *frame)
 
 int FFStream::load_filter(AVFrame *frame)
 {
-	av_frame_unref(frame);
-	int ret = av_buffersrc_add_frame_flags(buffersrc_ctx,
-			frame, AV_BUFFERSRC_FLAG_KEEP_REF);
+	int ret = av_buffersrc_add_frame_flags(buffersrc_ctx, frame, 0);
 	if( ret < 0 )
 		eprintf(_("av_buffersrc_add_frame_flags failed\n"));
 	return ret;
@@ -588,6 +587,7 @@ FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
 	channel0 = channels = 0;
 	sample_rate = 0;
 	mbsz = 0;
+	frame_sz = AUDIO_MIN_FRAME_SZ;
 	length = 0;
 	resample_context = 0;
 	swr_ichs = swr_ifmt = swr_irate = 0;
@@ -732,10 +732,10 @@ int FFAudioStream::load(int64_t pos, int len)
 	}
 	if( mbsz < len ) mbsz = len;
 	int64_t end_pos = pos + len;
-	int ret = 0;
-	for( int i=0; ret>=0 && !flushed && curr_pos<end_pos && i<MAX_RETRY; ++i ) {
+	int ret = 0, i = len / frame_sz + MAX_RETRY;
+	while( ret>=0 && !flushed && curr_pos<end_pos && --i>=0 ) {
 		ret = read_frame(frame);
-		if( ret > 0 ) {
+		if( ret > 0 && frame->nb_samples > 0 ) {
 			init_swr(frame->channels, frame->format, frame->sample_rate);
 			load_history(&frame->extended_data[0], frame->nb_samples);
 			curr_pos += frame->nb_samples;
@@ -866,7 +866,8 @@ int FFVideoStream::load(VFrame *vframe, int64_t pos)
 		fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
 		return -1;
 	}
-	for( int i=0; ret>=0 && !flushed && curr_pos<=pos && i<MAX_RETRY; ++i ) {
+	int i = MAX_RETRY + pos - curr_pos;
+	while( ret>=0 && !flushed && curr_pos<=pos && --i>=0 ) {
 		ret = read_frame(frame);
 		if( ret > 0 ) ++curr_pos;
 	}
@@ -2112,7 +2113,8 @@ int FFMPEG::decode_activate()
 				if( st->start_time == AV_NOPTS_VALUE ) continue;
 				int vidx = ffvideo.size();
 				while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
-				if( vidx >= 0 && ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
+				if( vidx < 0 ) continue;
+				if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
 				if( vstart_time < st->start_time )
 					vstart_time = st->start_time;
 				break; }
@@ -2120,7 +2122,10 @@ int FFMPEG::decode_activate()
 				if( st->start_time == AV_NOPTS_VALUE ) continue;
 				int aidx = ffaudio.size();
 				while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
-				if( aidx >= 0 && ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
+				if( aidx < 0 ) continue;
+				if( ffaudio[aidx]->frame_sz < avpar->frame_size )
+					ffaudio[aidx]->frame_sz = avpar->frame_size;
+				if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
 				if( astart_time < st->start_time )
 					astart_time = st->start_time;
 				break; }