avformat/concatdec: set safe mode to enabled instead of auto
[ffmpeg.git] / libavformat / oggparsespeex.c
index 2f4aec7..c86b127 100644 (file)
 #include <stdlib.h>
 #include "libavutil/bswap.h"
 #include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
 #include "libavcodec/get_bits.h"
 #include "libavcodec/bytestream.h"
 #include "avformat.h"
+#include "internal.h"
 #include "oggdec.h"
 
 struct speex_params {
+    int packet_size;
     int final_packet_duration;
     int seq;
 };
@@ -44,6 +47,8 @@ static int speex_header(AVFormatContext *s, int idx) {
 
     if (!spxp) {
         spxp = av_mallocz(sizeof(*spxp));
+        if (!spxp)
+            return AVERROR(ENOMEM);
         os->private = spxp;
     }
 
@@ -53,28 +58,34 @@ static int speex_header(AVFormatContext *s, int idx) {
     if (spxp->seq == 0) {
         int frames_per_packet;
         st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-        st->codec->codec_id = CODEC_ID_SPEEX;
+        st->codec->codec_id = AV_CODEC_ID_SPEEX;
+
+        if (os->psize < 68) {
+            av_log(s, AV_LOG_ERROR, "speex packet too small\n");
+            return AVERROR_INVALIDDATA;
+        }
 
         st->codec->sample_rate = AV_RL32(p + 36);
         st->codec->channels = AV_RL32(p + 48);
-
-        /* We treat the whole Speex packet as a single frame everywhere Speex
-           is handled in Libav.  This avoids the complexities of splitting
-           and joining individual Speex frames, which are not always
-           byte-aligned. */
-        st->codec->frame_size = AV_RL32(p + 56);
-        frames_per_packet     = AV_RL32(p + 64);
+        if (st->codec->channels < 1 || st->codec->channels > 2) {
+            av_log(s, AV_LOG_ERROR, "invalid channel count. Speex must be mono or stereo.\n");
+            return AVERROR_INVALIDDATA;
+        }
+        st->codec->channel_layout = st->codec->channels == 1 ? AV_CH_LAYOUT_MONO :
+                                                               AV_CH_LAYOUT_STEREO;
+
+        spxp->packet_size  = AV_RL32(p + 56);
+        frames_per_packet  = AV_RL32(p + 64);
         if (frames_per_packet)
-            st->codec->frame_size *= frames_per_packet;
+            spxp->packet_size *= frames_per_packet;
 
-        st->codec->extradata_size = os->psize;
-        st->codec->extradata = av_malloc(st->codec->extradata_size
-                                         + FF_INPUT_BUFFER_PADDING_SIZE);
+        if (ff_alloc_extradata(st->codec, os->psize) < 0)
+            return AVERROR(ENOMEM);
         memcpy(st->codec->extradata, p, st->codec->extradata_size);
 
-        av_set_pts_info(st, 64, 1, st->codec->sample_rate);
+        avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
     } else
-        ff_vorbis_comment(s, &st->metadata, p, os->psize);
+        ff_vorbis_stream_comment(s, st, p, os->psize);
 
     spxp->seq++;
     return 1;
@@ -95,7 +106,7 @@ static int speex_packet(AVFormatContext *s, int idx)
     struct ogg *ogg = s->priv_data;
     struct ogg_stream *os = ogg->streams + idx;
     struct speex_params *spxp = os->private;
-    int packet_size = s->streams[idx]->codec->frame_size;
+    int packet_size = spxp->packet_size;
 
     if (os->flags & OGG_FLAG_EOS && os->lastpts != AV_NOPTS_VALUE &&
         os->granule > 0) {
@@ -108,9 +119,10 @@ static int speex_packet(AVFormatContext *s, int idx)
 
     if (!os->lastpts && os->granule > 0)
         /* first packet */
-        os->pduration = os->granule - packet_size * (ogg_page_packets(os) - 1);
-    else if (os->flags & OGG_FLAG_EOS && os->segp == os->nsegs &&
-             spxp->final_packet_duration)
+        os->lastpts = os->lastdts = os->granule - packet_size *
+                                    ogg_page_packets(os);
+    if (os->flags & OGG_FLAG_EOS && os->segp == os->nsegs &&
+        spxp->final_packet_duration)
         /* final packet */
         os->pduration = spxp->final_packet_duration;
     else
@@ -123,5 +135,6 @@ const struct ogg_codec ff_speex_codec = {
     .magic = "Speex   ",
     .magicsize = 8,
     .header = speex_header,
-    .packet = speex_packet
+    .packet = speex_packet,
+    .nb_header = 2,
 };