Changeset b201912 for src/io/source_avcodec.c

Timestamp:

Apr 11, 2017, 1:49:44 AM (7 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

sampler

Children:

04d0c89

Parents:

fbafd2c (diff), b762f8d (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' into sampler

Fixed conflicts:

python/lib/gen_external.py
src/io/source_avcodec.c

File:

• src/io/source_avcodec.c (modified) (15 diffs)

src/io/source_avcodec.c

@@ -43 +43 @@
 
 // backward compatibility with libavcodec55
+#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57,0,0)
+#define HAVE_AUBIO_LIBAVCODEC_DEPRECATED 1
+#endif
+
 #if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(55,28,1)
-#warning "libavcodec55 is deprecated"
-#define HAVE_AUBIO_LIBAVCODEC_DEPRECATED 1
+#warning "libavcodec < 56 is deprecated"
 #define av_frame_alloc  avcodec_alloc_frame
 #define av_frame_free avcodec_free_frame
@@ -117 +120 @@
 aubio_source_avcodec_t * new_aubio_source_avcodec(const char_t * path, uint_t samplerate, uint_t hop_size) {
   aubio_source_avcodec_t * s = AUBIO_NEW(aubio_source_avcodec_t);
+  AVFormatContext *avFormatCtx = s->avFormatCtx;
+  AVCodecContext *avCodecCtx = s->avCodecCtx;
+  AVFrame *avFrame = s->avFrame;
+  AVDictionary *streamopts = 0;
+  sint_t selected_stream = -1;
+#if FF_API_LAVF_AVCTX
+  AVCodecParameters *codecpar;
+#endif
+  AVCodec *codec;
+  uint_t i;
   int err;
   if (path == NULL) {
@@ -150 +163 @@
 
   // try opening the file and get some info about it
-  AVFormatContext *avFormatCtx = s->avFormatCtx;
-  AVDictionary *streamopts = 0;
   if (s->has_network_url) {
     if (av_dict_set(&streamopts, "timeout", "1000000", 0)) { // in microseconds
@@ -187 +198 @@
 
   // look for the first audio stream
-  uint_t i;
-  sint_t selected_stream = -1;
   for (i = 0; i < avFormatCtx->nb_streams; i++) {
 #if FF_API_LAVF_AVCTX
@@ -210 +219 @@
   s->selected_stream = selected_stream;
 
-  AVCodecContext *avCodecCtx = s->avCodecCtx;
 #if FF_API_LAVF_AVCTX
-  AVCodecParameters *codecpar = avFormatCtx->streams[selected_stream]->codecpar;
+  codecpar = avFormatCtx->streams[selected_stream]->codecpar;
   if (codecpar == NULL) {
     AUBIO_ERR("source_avcodec: Could not find decoder for %s", s->path);
     goto beach;
   }
-  AVCodec *codec = avcodec_find_decoder(codecpar->codec_id);
+  codec = avcodec_find_decoder(codecpar->codec_id);
 
   /* Allocate a codec context for the decoder */
@@ -228 +236 @@
 #else
   avCodecCtx = avFormatCtx->streams[selected_stream]->codec;
-  AVCodec *codec = avcodec_find_decoder(avCodecCtx->codec_id);
+  codec = avcodec_find_decoder(avCodecCtx->codec_id);
 #endif
   if (codec == NULL) {
@@ -272 +280 @@
   }
 
-  AVFrame *avFrame = s->avFrame;
   avFrame = av_frame_alloc();
   if (!avFrame) {
@@ -313 +320 @@
   // create or reset resampler to/from mono/multi-channel
   if ( (multi != s->multi) || (s->avr == NULL) ) {
+    int err;
     int64_t input_layout = av_get_default_channel_layout(s->input_channels);
     uint_t output_channels = multi ? s->input_channels : 1;
@@ -336 +344 @@
     // TODO: use planar?
     //av_opt_set_int(avr, "out_sample_fmt",     AV_SAMPLE_FMT_FLTP,      0);
-    int err;
 #ifdef HAVE_AVRESAMPLE
     if ( ( err = avresample_open(avr) ) < 0) {
@@ -368 +375 @@
   AVFrame *avFrame = s->avFrame;
   AVPacket avPacket = s->avPacket;
-  av_init_packet (&avPacket);
 #ifdef HAVE_AVRESAMPLE
   AVAudioResampleContext *avr = s->avr;
@@ -374 +380 @@
   SwrContext *avr = s->avr;
 #endif /* HAVE_AVRESAMPLE || HAVE_SWRESAMPLE */
+  int got_frame = 0;
+  int ret = 0;
+#ifdef HAVE_AVRESAMPLE
+  int in_linesize = 0;
+  int in_samples = avFrame->nb_samples;
+  int out_linesize = 0;
+  int max_out_samples = AUBIO_AVCODEC_MAX_BUFFER_SIZE;
+  int out_samples = 0;
+#elif defined(HAVE_SWRESAMPLE)
+  int in_samples = avFrame->nb_samples;
+  int max_out_samples = AUBIO_AVCODEC_MAX_BUFFER_SIZE / avCodecCtx->channels;
+  int out_samples = 0;
+#endif /* HAVE_AVRESAMPLE || HAVE_SWRESAMPLE */
   smpl_t *output = s->output;
+#ifndef FF_API_LAVF_AVCTX
+  int len = 0;
+#endif
+  av_init_packet (&avPacket);
   *read_samples = 0;
 
@@ -393 +416 @@
   } while (avPacket.stream_index != s->selected_stream);
 
-  int got_frame = 0;
 #if FF_API_LAVF_AVCTX
-  int ret = avcodec_send_packet(avCodecCtx, &avPacket);
+  ret = avcodec_send_packet(avCodecCtx, &avPacket);
   if (ret < 0 && ret != AVERROR_EOF) {
     AUBIO_ERR("source_avcodec: error when sending packet for %s\n", s->path);
@@ -416 +438 @@
   }
 #else
-  int len = avcodec_decode_audio4(avCodecCtx, avFrame, &got_frame, &avPacket);
+  len = avcodec_decode_audio4(avCodecCtx, avFrame, &got_frame, &avPacket);
 
   if (len < 0) {
@@ -429 +451 @@
 
 #ifdef HAVE_AVRESAMPLE
-  int in_linesize = 0;
+  in_linesize = 0;
   av_samples_get_buffer_size(&in_linesize, avCodecCtx->channels,
       avFrame->nb_samples, avCodecCtx->sample_fmt, 1);
-  int in_samples = avFrame->nb_samples;
-  int out_linesize = 0;
-  int max_out_samples = AUBIO_AVCODEC_MAX_BUFFER_SIZE;
-  int out_samples = avresample_convert ( avr,
+  in_samples = avFrame->nb_samples;
+  out_linesize = 0;
+  max_out_samples = AUBIO_AVCODEC_MAX_BUFFER_SIZE;
+  out_samples = avresample_convert ( avr,
         (uint8_t **)&output, out_linesize, max_out_samples,
         (uint8_t **)avFrame->data, in_linesize, in_samples);
 #elif defined(HAVE_SWRESAMPLE)
-  int in_samples = avFrame->nb_samples;
-  int max_out_samples = AUBIO_AVCODEC_MAX_BUFFER_SIZE / avCodecCtx->channels;
-  int out_samples = swr_convert( avr,
+  in_samples = avFrame->nb_samples;
+  max_out_samples = AUBIO_AVCODEC_MAX_BUFFER_SIZE / avCodecCtx->channels;
+  out_samples = swr_convert( avr,
       (uint8_t **)&output, max_out_samples,
       (const uint8_t **)avFrame->data, in_samples);
@@ -606 +628 @@
   if (s->avFormatCtx != NULL) {
     avformat_close_input(&s->avFormatCtx);
-#ifndef HAVE_AUBIO_LIBAVCODEC_DEPRECATED // avoid crash on old libavcodec54
-    avformat_free_context(s->avFormatCtx);
-#endif
     s->avFormatCtx = NULL;
   }