]> git.sesse.net Git - ffmpeg/blobdiff - libavformat/yop.c
lavf: Add functions for SRTP decryption/encryption
[ffmpeg] / libavformat / yop.c
index 76116fb6b6167b12675c411cce87aa9e077de397..5fe6bdc7d473d9c53b0331c6dd38df1ec66a5459 100644 (file)
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
 #include "avformat.h"
+#include "internal.h"
 
 typedef struct yop_dec_context {
     AVPacket video_packet;
@@ -46,7 +48,7 @@ static int yop_probe(AVProbeData *probe_packet)
     return 0;
 }
 
-static int yop_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int yop_read_header(AVFormatContext *s)
 {
     YopDecContext *yop = s->priv_data;
     AVIOContext *pb  = s->pb;
@@ -56,8 +58,8 @@ static int yop_read_header(AVFormatContext *s, AVFormatParameters *ap)
 
     int frame_rate, ret;
 
-    audio_stream = av_new_stream(s, 0);
-    video_stream = av_new_stream(s, 1);
+    audio_stream = avformat_new_stream(s, NULL);
+    video_stream = avformat_new_stream(s, NULL);
 
     // Extra data that will be passed to the decoder
     video_stream->codec->extradata_size = 8;
@@ -71,14 +73,15 @@ static int yop_read_header(AVFormatContext *s, AVFormatParameters *ap)
     // Audio
     audio_dec               = audio_stream->codec;
     audio_dec->codec_type   = AVMEDIA_TYPE_AUDIO;
-    audio_dec->codec_id     = CODEC_ID_ADPCM_IMA_WS;
+    audio_dec->codec_id     = AV_CODEC_ID_ADPCM_IMA_APC;
     audio_dec->channels     = 1;
+    audio_dec->channel_layout = AV_CH_LAYOUT_MONO;
     audio_dec->sample_rate  = 22050;
 
     // Video
     video_dec               = video_stream->codec;
     video_dec->codec_type   = AVMEDIA_TYPE_VIDEO;
-    video_dec->codec_id     = CODEC_ID_YOP;
+    video_dec->codec_id     = AV_CODEC_ID_YOP;
 
     avio_skip(pb, 6);
 
@@ -105,7 +108,7 @@ static int yop_read_header(AVFormatContext *s, AVFormatParameters *ap)
 
     avio_seek(pb, 2048, SEEK_SET);
 
-    av_set_pts_info(video_stream, 32, 1, frame_rate);
+    avpriv_set_pts_info(video_stream, 32, 1, frame_rate);
 
     return 0;
 }
@@ -183,8 +186,6 @@ static int yop_read_seek(AVFormatContext *s, int stream_index,
     int64_t frame_pos, pos_min, pos_max;
     int frame_count;
 
-    av_free_packet(&yop->video_packet);
-
     if (!stream_index)
         return -1;
 
@@ -195,21 +196,25 @@ static int yop_read_seek(AVFormatContext *s, int stream_index,
     timestamp      = FFMAX(0, FFMIN(frame_count, timestamp));
 
     frame_pos      = timestamp * yop->frame_size + pos_min;
+
+    if (avio_seek(s->pb, frame_pos, SEEK_SET) < 0)
+        return -1;
+
+    av_free_packet(&yop->video_packet);
     yop->odd_frame = timestamp & 1;
 
-    avio_seek(s->pb, frame_pos, SEEK_SET);
     return 0;
 }
 
 AVInputFormat ff_yop_demuxer = {
     .name           = "yop",
-    .long_name      = NULL_IF_CONFIG_SMALL("Psygnosis YOP Format"),
+    .long_name      = NULL_IF_CONFIG_SMALL("Psygnosis YOP"),
     .priv_data_size = sizeof(YopDecContext),
     .read_probe     = yop_probe,
     .read_header    = yop_read_header,
     .read_packet    = yop_read_packet,
     .read_close     = yop_read_close,
     .read_seek      = yop_read_seek,
-    .extensions = "yop",
-    .flags = AVFMT_GENERIC_INDEX,
+    .extensions     = "yop",
+    .flags          = AVFMT_GENERIC_INDEX,
 };