sams last ladspa icons, libopus/vp9, mixer fixer, plugin resets, fmt frmsz, shm fixes

[goodguy/history.git] / cinelerra-5.1 / cinelerra / ffmpeg.C

diff --git a/cinelerra-5.1/cinelerra/ffmpeg.C b/cinelerra-5.1/cinelerra/ffmpeg.C
index 547b7f074f1276262838c65b5d6d5f8a361ce424..c536a2652291595c3f2c7b12e3c4e00eac2a9ee2 100644 (file)
--- 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");
 
@@ -327,6 +328,8 @@ int FFStream::decode_activate()
                                if( decoder->capabilities & AV_CODEC_CAP_DR1 )
                                        avctx->flags |= CODEC_FLAG_EMU_EDGE;
                                avcodec_parameters_to_context(avctx, st->codecpar);
+                               if( !av_dict_get(copts, "threads", NULL, 0) )
+                                       avctx->thread_count = ffmpeg->ff_cpus();
                                ret = avcodec_open2(avctx, decoder, &copts);
                        }
                        if( ret >= 0 ) {
@@ -395,12 +398,9 @@ int FFStream::decode(AVFrame *frame)
 
 int FFStream::load_filter(AVFrame *frame)
 {
-       int ret = av_buffersrc_add_frame_flags(buffersrc_ctx,
-                       frame, AV_BUFFERSRC_FLAG_KEEP_REF);
-       if( ret < 0 ) {
-               av_frame_unref(frame);
+       int ret = av_buffersrc_add_frame_flags(buffersrc_ctx, frame, 0);
+       if( ret < 0 )
                eprintf(_("av_buffersrc_add_frame_flags failed\n"));
-       }
        return ret;
 }
 
@@ -418,6 +418,7 @@ int FFStream::read_filter(AVFrame *frame)
 
 int FFStream::read_frame(AVFrame *frame)
 {
+       av_frame_unref(frame);
        if( !filter_graph || !buffersrc_ctx || !buffersink_ctx )
                return decode(frame);
        if( !fframe && !(fframe=av_frame_alloc()) ) {
@@ -511,7 +512,13 @@ int FFStream::seek(int64_t no, double rate)
        double secs = pos < 0 ? 0. : pos / rate;
        AVRational time_base = st->time_base;
        int64_t tstmp = time_base.num > 0 ? secs * time_base.den/time_base.num : 0;
-       if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
+       if( !tstmp ) {
+               if( st->nb_index_entries > 0 ) tstmp = st->index_entries[0].timestamp;
+               else if( st->start_time != AV_NOPTS_VALUE ) tstmp = st->start_time;
+               else if( st->first_dts != AV_NOPTS_VALUE ) tstmp = st->first_dts;
+               else tstmp = INT64_MIN+1;
+       }
+       else if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
        int idx = st->index;
 #if 0
 // seek all streams using the default timebase.
@@ -531,7 +538,9 @@ int FFStream::seek(int64_t no, double rate)
        }
        int ret = avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, seek, INT64_MAX, flags);
 #else
-       int ret = av_seek_frame(fmt_ctx, idx, tstmp, AVSEEK_FLAG_ANY);
+// finds the first index frame below the target time
+       int flags = AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY;
+       int ret = av_seek_frame(fmt_ctx, idx, tstmp, flags);
 #endif
        int retry = MAX_RETRY;
        while( ret >= 0 ) {
@@ -580,6 +589,7 @@ 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;
@@ -680,6 +690,7 @@ int FFAudioStream::decode_frame(AVFrame *frame)
 int FFAudioStream::encode_activate()
 {
        if( writing >= 0 ) return writing;
+       if( !avctx->codec ) return writing = 0;
        frame_sz = avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE ?
                10000 : avctx->frame_size;
        return FFStream::encode_activate();
@@ -724,10 +735,10 @@ 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;
@@ -858,7 +869,8 @@ 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;
        }
@@ -1992,6 +2004,8 @@ int FFMPEG::open_encoder(const char *type, const char *spec)
                av_dict_set(&sopts, "cin_bitrate", 0, 0);
                av_dict_set(&sopts, "cin_quality", 0, 0);
 
+               if( !av_dict_get(sopts, "threads", NULL, 0) )
+                       ctx->thread_count = ff_cpus();
                ret = avcodec_open2(ctx, codec, &sopts);
                if( ret >= 0 ) {
                        ret = avcodec_parameters_from_context(st->codecpar, ctx);
@@ -2104,7 +2118,8 @@ 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; }
@@ -2112,7 +2127,10 @@ 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; }
@@ -2669,6 +2687,8 @@ int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
                }
                if( ret >= 0 ) {
                        avcodec_parameters_to_context(avctx, st->codecpar);
+                       if( !av_dict_get(copts, "threads", NULL, 0) )
+                               avctx->thread_count = ff_cpus();
                        ret = avcodec_open2(avctx, decoder, &copts);
                }
                av_dict_free(&copts);