mkv: Validate ASS Start and End fields

[ffmpeg] / libavformat / yop.c

diff --git a/libavformat/yop.c b/libavformat/yop.c
index e3671874a17783eb8b14583e36217e4eea1dfa31..ea3175e33b07c14c13620b065da28e7a0810a87a 100644 (file)
--- a/libavformat/yop.c
+++ b/libavformat/yop.c
@@ -1,5 +1,4 @@
-/**
- * @file
+/*
  * Psygnosis YOP demuxer
  *
  * Copyright (C) 2010 Mohamed Naufal Basheer <naufal11@gmail.com>
@@ -23,8 +22,10 @@
  * 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;
@@ -47,7 +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;
@@ -57,29 +58,29 @@ 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;
 
-    video_stream->codec->extradata = av_mallocz(video_stream->codec->extradata_size +
-                                                FF_INPUT_BUFFER_PADDING_SIZE);
+    video_stream->codec->extradata = av_mallocz(8 + FF_INPUT_BUFFER_PADDING_SIZE);
 
     if (!video_stream->codec->extradata)
         return AVERROR(ENOMEM);
+    video_stream->codec->extradata_size = 8;
 
     // 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);
 
@@ -106,7 +107,7 @@ 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;
 }
@@ -125,6 +126,12 @@ static int yop_read_packet(AVFormatContext *s, AVPacket *pkt)
     if (yop->video_packet.data) {
         *pkt                   =  yop->video_packet;
         yop->video_packet.data =  NULL;
+        yop->video_packet.buf  =  NULL;
+#if FF_API_DESTRUCT_PACKET
+FF_DISABLE_DEPRECATION_WARNINGS
+        yop->video_packet.destruct = NULL;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
         yop->video_packet.size =  0;
         pkt->data[0]           =  yop->odd_frame;
         pkt->flags             |= AV_PKT_FLAG_KEY;
@@ -184,8 +191,6 @@ 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;
 
@@ -196,21 +201,25 @@ 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 = {
-    "yop",
-    NULL_IF_CONFIG_SMALL("Psygnosis YOP Format"),
-    sizeof(YopDecContext),
-    yop_probe,
-    yop_read_header,
-    yop_read_packet,
-    yop_read_close,
-    yop_read_seek,
-    .extensions = "yop",
-    .flags = AVFMT_GENERIC_INDEX,
+    .name           = "yop",
+    .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,
 };