lavc decoders: properly initialize AVFrame.

[ffmpeg] / libavformat / mmf.c

diff --git a/libavformat/mmf.c b/libavformat/mmf.c
index d4247544c2ea26ce1bb10fbcefda28c7d8189231..20570f2812614c97b1ec6446da52154e7afd01ef 100644 (file)
--- a/libavformat/mmf.c
+++ b/libavformat/mmf.c
@@ -18,7 +18,10 @@
  * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
+
+#include "libavutil/channel_layout.h"
 #include "avformat.h"
+#include "internal.h"
 #include "avio_internal.h"
 #include "pcm.h"
 #include "riff.h"
@@ -100,7 +103,7 @@ static int mmf_write_header(AVFormatContext *s)
 
     mmf->awapos = ff_start_tag(pb, "Awa\x01");
 
-    av_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
+    avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
 
     avio_flush(pb);
 
@@ -133,7 +136,7 @@ static int mmf_write_trailer(AVFormatContext *s)
     int64_t pos, size;
     int gatetime;
 
-    if (!url_is_streamed(s->pb)) {
+    if (s->pb->seekable) {
         /* Fill in length fields */
         end_tag_be(pb, mmf->awapos);
         end_tag_be(pb, mmf->atrpos);
@@ -179,20 +182,19 @@ static int mmf_probe(AVProbeData *p)
 }
 
 /* mmf input */
-static int mmf_read_header(AVFormatContext *s,
-                           AVFormatParameters *ap)
+static int mmf_read_header(AVFormatContext *s)
 {
     MMFContext *mmf = s->priv_data;
     unsigned int tag;
     AVIOContext *pb = s->pb;
     AVStream *st;
-    int64_t file_size, size;
+    int64_t size;
     int rate, params;
 
     tag = avio_rl32(pb);
     if (tag != MKTAG('M', 'M', 'M', 'D'))
         return -1;
-    file_size = avio_rb32(pb);
+    avio_skip(pb, 4); /* file_size */
 
     /* Skip some unused chunks that may or may not be present */
     for(;; avio_skip(pb, size)) {
@@ -241,18 +243,19 @@ static int mmf_read_header(AVFormatContext *s,
     }
     mmf->data_size = size;
 
-    st = av_new_stream(s, 0);
+    st = avformat_new_stream(s, NULL);
     if (!st)
         return AVERROR(ENOMEM);
 
     st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-    st->codec->codec_id = CODEC_ID_ADPCM_YAMAHA;
+    st->codec->codec_id = AV_CODEC_ID_ADPCM_YAMAHA;
     st->codec->sample_rate = rate;
     st->codec->channels = 1;
+    st->codec->channel_layout = AV_CH_LAYOUT_MONO;
     st->codec->bits_per_coded_sample = 4;
     st->codec->bit_rate = st->codec->sample_rate * st->codec->bits_per_coded_sample;
 
-    av_set_pts_info(st, 64, 1, st->codec->sample_rate);
+    avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
 
     return 0;
 }
@@ -263,12 +266,10 @@ static int mmf_read_packet(AVFormatContext *s,
                            AVPacket *pkt)
 {
     MMFContext *mmf = s->priv_data;
-    AVStream *st;
     int ret, size;
 
     if (s->pb->eof_reached)
         return AVERROR(EIO);
-    st = s->streams[0];
 
     size = MAX_SIZE;
     if(size > mmf->data_size)
@@ -293,27 +294,26 @@ static int mmf_read_packet(AVFormatContext *s,
 
 #if CONFIG_MMF_DEMUXER
 AVInputFormat ff_mmf_demuxer = {
-    "mmf",
-    NULL_IF_CONFIG_SMALL("Yamaha SMAF"),
-    sizeof(MMFContext),
-    mmf_probe,
-    mmf_read_header,
-    mmf_read_packet,
-    NULL,
-    pcm_read_seek,
+    .name           = "mmf",
+    .long_name      = NULL_IF_CONFIG_SMALL("Yamaha SMAF"),
+    .priv_data_size = sizeof(MMFContext),
+    .read_probe     = mmf_probe,
+    .read_header    = mmf_read_header,
+    .read_packet    = mmf_read_packet,
+    .read_seek      = ff_pcm_read_seek,
 };
 #endif
 #if CONFIG_MMF_MUXER
 AVOutputFormat ff_mmf_muxer = {
-    "mmf",
-    NULL_IF_CONFIG_SMALL("Yamaha SMAF"),
-    "application/vnd.smaf",
-    "mmf",
-    sizeof(MMFContext),
-    CODEC_ID_ADPCM_YAMAHA,
-    CODEC_ID_NONE,
-    mmf_write_header,
-    mmf_write_packet,
-    mmf_write_trailer,
+    .name              = "mmf",
+    .long_name         = NULL_IF_CONFIG_SMALL("Yamaha SMAF"),
+    .mime_type         = "application/vnd.smaf",
+    .extensions        = "mmf",
+    .priv_data_size    = sizeof(MMFContext),
+    .audio_codec       = AV_CODEC_ID_ADPCM_YAMAHA,
+    .video_codec       = AV_CODEC_ID_NONE,
+    .write_header      = mmf_write_header,
+    .write_packet      = mmf_write_packet,
+    .write_trailer     = mmf_write_trailer,
 };
 #endif