bunch-o compiler bitch'n
[goodguy/history.git] / cinelerra-5.1 / cinelerra / ffmpeg.C
index f2b02c24449952f529b229101966da1a7702469f..f79a240ef5c844d091070f205e3dd68e1a799ee5 100644 (file)
@@ -148,10 +148,13 @@ void FFAudioStream::reset_history()
 {
        inp = outp = bfr;
        hpos = 0;
+       memset(bfr, 0, lmt-bfr);
 }
 
 void FFAudioStream::iseek(int64_t ofs)
 {
+       if( ofs > hpos ) ofs = hpos;
+       if( ofs > sz ) ofs = sz;
        outp = inp - ofs*nch;
        if( outp < bfr ) outp += sz*nch;
 }
@@ -505,6 +508,7 @@ int FFStream::seek(int64_t no, double rate)
                        npkts = MAX_RETRY;
                }
        }
+       if( pos == curr_pos ) return 0;
        if( pos > 0 && st->time_base.num > 0 ) {
                double secs = pos / rate;
                tstmp = secs * st->time_base.den / st->time_base.num;
@@ -521,7 +525,7 @@ 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, st->index, tstmp, AVSEEK_FLAG_ANY);
+       int ret = av_seek_frame(fmt_ctx, st->index, tstmp, AVSEEK_FLAG_ANY);
 #endif
        int retry = MAX_RETRY;
        while( ret >= 0 ) {
@@ -553,7 +557,7 @@ int FFStream::seek(int64_t no, double rate)
                }
        }
        if( ret < 0 ) {
-printf("** seek fail %ld, %ld\n", pos, tstmp);
+printf("** seek fail %jd, %jd\n", pos, tstmp);
                seeked = need_packet = 0;
                st_eof(flushed=1);
                return -1;
@@ -572,6 +576,7 @@ FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
        mbsz = 0;
        length = 0;
        resample_context = 0;
+       swr_ichs = swr_ifmt = swr_irate = 0;
 
        aud_bfr_sz = 0;
        aud_bfr = 0;
@@ -592,6 +597,28 @@ FFAudioStream::~FFAudioStream()
        delete [] bfr;
 }
 
+void FFAudioStream::init_swr(int ichs, int ifmt, int irate)
+{
+       if( resample_context ) {
+               if( swr_ichs == ichs && swr_ifmt == ifmt && swr_irate == irate )
+                       return;
+               swr_free(&resample_context);
+       }
+       swr_ichs = ichs;  swr_ifmt = ifmt;  swr_irate = irate;
+       if( ichs == channels && ifmt == AV_SAMPLE_FMT_FLT && irate == sample_rate )
+               return;
+       uint64_t ilayout = av_get_default_channel_layout(ichs);
+       if( !ilayout ) ilayout = ((uint64_t)1<<ichs) - 1;
+       uint64_t olayout = av_get_default_channel_layout(channels);
+       if( !olayout ) olayout = ((uint64_t)1<<channels) - 1;
+       resample_context = swr_alloc_set_opts(NULL,
+               olayout, AV_SAMPLE_FMT_FLT, sample_rate,
+               ilayout, (AVSampleFormat)ifmt, irate,
+               0, NULL);
+       if( resample_context )
+               swr_init(resample_context);
+}
+
 int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
 {
        samples = *(float **)data;
@@ -695,6 +722,7 @@ int FFAudioStream::load(int64_t pos, int len)
        for( int i=0; ret>=0 && !flushed && curr_pos<end_pos && i<MAX_RETRY; ++i ) {
                ret = read_frame(frame);
                if( ret > 0 ) {
+                       init_swr(frame->channels, frame->format, frame->sample_rate);
                        load_history(&frame->extended_data[0], frame->nb_samples);
                        curr_pos += frame->nb_samples;
                }
@@ -710,7 +738,7 @@ int FFAudioStream::load(int64_t pos, int len)
 
 int FFAudioStream::audio_seek(int64_t pos)
 {
-       if( decode_activate() < 0 ) return -1;
+       if( decode_activate() <= 0 ) return -1;
        if( !st->codecpar ) return -1;
        if( in_history(pos) ) return 0;
        if( pos == curr_pos ) return 0;
@@ -763,6 +791,11 @@ int FFAudioStream::encode_frame(AVFrame *frame)
        return FFStream::encode_frame(frame);
 }
 
+int FFAudioStream::write_packet(FFPacket &pkt)
+{
+       return FFStream::write_packet(pkt);
+}
+
 void FFAudioStream::load_markers()
 {
        IndexState *index_state = ffmpeg->file_base->asset->index_state;
@@ -834,7 +867,7 @@ int FFVideoStream::load(VFrame *vframe, int64_t pos)
 
 int FFVideoStream::video_seek(int64_t pos)
 {
-       if( decode_activate() < 0 ) return -1;
+       if( decode_activate() <= 0 ) return -1;
        if( !st->codecpar ) return -1;
        if( pos == curr_pos-1 && !seeked ) return 0;
 // if close enough, just read up to current
@@ -893,6 +926,13 @@ int FFVideoStream::encode_frame(AVFrame *frame)
        return FFStream::encode_frame(frame);
 }
 
+int FFVideoStream::write_packet(FFPacket &pkt)
+{
+       if( !(ffmpeg->fmt_ctx->oformat->flags & AVFMT_VARIABLE_FPS) )
+               pkt->duration = 1;
+       return FFStream::write_packet(pkt);
+}
+
 AVPixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
 {
        switch( color_model ) {
@@ -1732,16 +1772,7 @@ int FFMPEG::open_decoder()
                        aud->sample_rate = avpar->sample_rate;
                        double secs = to_secs(st->duration, st->time_base);
                        aud->length = secs * aud->sample_rate;
-                       if( avpar->format != AV_SAMPLE_FMT_FLT ) {
-                               uint64_t layout = av_get_default_channel_layout(avpar->channels);
-                               if( !layout ) layout = ((uint64_t)1<<aud->channels) - 1;
-                               AVSampleFormat sample_format = (AVSampleFormat)avpar->format;
-                               aud->resample_context = swr_alloc_set_opts(NULL,
-                                       layout, AV_SAMPLE_FMT_FLT, avpar->sample_rate,
-                                       layout, sample_format, avpar->sample_rate,
-                                       0, NULL);
-                               swr_init(aud->resample_context);
-                       }
+                       aud->init_swr(aud->channels, avpar->format, aud->sample_rate);
                        aud->nudge = st->start_time;
                        aud->reading = -1;
                        if( opt_audio_filter )
@@ -2635,27 +2666,27 @@ int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
                        ret = avcodec_open2(avctx, decoder, &copts);
                }
                av_dict_free(&copts);
-               if( ret < 0 ) {
-                       fprintf(stderr,"FFMPEG::scan: ");
-                       fprintf(stderr,_("codec open failed\n"));
-                       continue;
-               }
-               AVCodecParameters *avpar = st->codecpar;
-               switch( avpar->codec_type ) {
-               case AVMEDIA_TYPE_VIDEO: {
-                       int vidx = ffvideo.size();
-                       while( --vidx>=0 && ffvideo[vidx]->fidx != i );
-                       if( vidx < 0 ) break;
-                       ffvideo[vidx]->avctx = avctx;
-                       break; }
-               case AVMEDIA_TYPE_AUDIO: {
-                       int aidx = ffaudio.size();
-                       while( --aidx>=0 && ffaudio[aidx]->fidx != i );
-                       if( aidx < 0 ) continue;
-                       ffaudio[aidx]->avctx = avctx;
-                       break; }
-               default: break;
+               if( ret >= 0 ) {
+                       AVCodecParameters *avpar = st->codecpar;
+                       switch( avpar->codec_type ) {
+                       case AVMEDIA_TYPE_VIDEO: {
+                               int vidx = ffvideo.size();
+                               while( --vidx>=0 && ffvideo[vidx]->fidx != i );
+                               if( vidx < 0 ) break;
+                               ffvideo[vidx]->avctx = avctx;
+                               continue; }
+                       case AVMEDIA_TYPE_AUDIO: {
+                               int aidx = ffaudio.size();
+                               while( --aidx>=0 && ffaudio[aidx]->fidx != i );
+                               if( aidx < 0 ) break;
+                               ffaudio[aidx]->avctx = avctx;
+                               continue; }
+                       default: break;
+                       }
                }
+               fprintf(stderr,"FFMPEG::scan: ");
+               fprintf(stderr,_("codec open failed\n"));
+               avcodec_free_context(&avctx);
        }
 
        decode_activate();
@@ -2701,6 +2732,7 @@ int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
                        while( --vidx>=0 && ffvideo[vidx]->fidx != i );
                        if( vidx < 0 ) break;
                        FFVideoStream *vid = ffvideo[vidx];
+                       if( !vid->avctx ) break;
                        int64_t tstmp = pkt.dts;
                        if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
                        if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
@@ -2721,6 +2753,7 @@ int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
                        while( --aidx>=0 && ffaudio[aidx]->fidx != i );
                        if( aidx < 0 ) break;
                        FFAudioStream *aud = ffaudio[aidx];
+                       if( !aud->avctx ) break;
                        int64_t tstmp = pkt.pts;
                        if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
                        if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
@@ -2740,7 +2773,8 @@ printf("audio%d pad %jd %jd (%jd)\n", aud->idx, pos, aud->curr_pos, pos-aud->cur
                                index_state->pad_data(ch, nch, aud->curr_pos);
                        }
                        while( (ret=aud->decode_frame(frame)) > 0 ) {
-                               if( frame->channels != nch ) break;
+                               //if( frame->channels != nch ) break;
+                               aud->init_swr(frame->channels, frame->format, frame->sample_rate);
                                float *samples;
                                int len = aud->get_samples(samples,
                                         &frame->extended_data[0], frame->nb_samples);