Merge commit '747fbe0c212b81952bb27ec7b99fa709081e2d63' into release/1.1

* commit '747fbe0c212b81952bb27ec7b99fa709081e2d63':
  roqvideodec: fix a potential infinite loop in roqvideo_decode_frame().
  mp3dec: Fix VBR bit rate parsing
  wmaprodec: return an error, not 0, when the input is too small.
  vmdaudio: fix invalid reads when packet size is not a multiple of chunk size
  h264: check for luma and chroma bit dept being equal
  Prepare for 9.4 Release

Conflicts:
	RELEASE
	libavcodec/vmdav.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-03-14 02:34:01 +01:00
6 changed files with 23 additions and 8 deletions

View File

@@ -2443,6 +2443,12 @@ static int h264_set_parameter_from_sps(H264Context *h)
if (s->avctx->has_b_frames < 2)
s->avctx->has_b_frames = !s->low_delay;
if (h->sps.bit_depth_luma != h->sps.bit_depth_chroma) {
av_log_missing_feature(s->avctx,
"Different bit depth between chroma and luma", 1);
return AVERROR_PATCHWELCOME;
}
if (s->avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
h->cur_chroma_format_idc != h->sps.chroma_format_idc) {
if (s->avctx->codec &&

View File

@@ -30,6 +30,7 @@ typedef struct MpegAudioParseContext {
int frame_size;
uint32_t header;
int header_count;
int no_bitrate;
} MpegAudioParseContext;
#define MPA_HEADER_SIZE 4
@@ -81,7 +82,10 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
avctx->sample_rate= sr;
avctx->channels = channels;
s1->duration = frame_size;
avctx->bit_rate = bit_rate;
if (s->no_bitrate || !avctx->bit_rate) {
s->no_bitrate = 1;
avctx->bit_rate += (bit_rate - avctx->bit_rate) / s->header_count;
}
}
break;
}

View File

@@ -624,7 +624,7 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx, void *data,
/* decode audio chunks */
if (audio_chunks > 0) {
buf_end = buf + buf_size;
while ( buf_end - buf >= s->chunk_size) {
while (buf_end - buf >= s->chunk_size) {
if (s->out_bps == 2) {
decode_audio_s16(output_samples_s16, buf, s->chunk_size,
avctx->channels);

View File

@@ -1515,8 +1515,11 @@ static int decode_packet(AVCodecContext *avctx, void *data,
s->packet_done = 0;
/** sanity check for the buffer length */
if (buf_size < avctx->block_align)
return 0;
if (buf_size < avctx->block_align) {
av_log(avctx, AV_LOG_ERROR, "Input packet too small (%d < %d)\n",
buf_size, avctx->block_align);
return AVERROR_INVALIDDATA;
}
s->next_packet_start = buf_size - avctx->block_align;
buf_size = avctx->block_align;

View File

@@ -120,6 +120,7 @@ static int mp3_parse_vbr_tags(AVFormatContext *s, AVStream *st, int64_t base)
const int64_t xing_offtbl[2][2] = {{32, 17}, {17,9}};
MPADecodeHeader c;
int vbrtag_size = 0;
int is_cbr;
v = avio_rb32(s->pb);
if(ff_mpa_check_header(v) < 0)
@@ -135,7 +136,8 @@ static int mp3_parse_vbr_tags(AVFormatContext *s, AVStream *st, int64_t base)
/* Check for Xing / Info tag */
avio_skip(s->pb, xing_offtbl[c.lsf == 1][c.nb_channels == 1]);
v = avio_rb32(s->pb);
if(v == MKBETAG('X', 'i', 'n', 'g') || v == MKBETAG('I', 'n', 'f', 'o')) {
is_cbr = v == MKBETAG('I', 'n', 'f', 'o');
if (v == MKBETAG('X', 'i', 'n', 'g') || is_cbr) {
v = avio_rb32(s->pb);
if(v & XING_FLAG_FRAMES)
frames = avio_rb32(s->pb);
@@ -180,7 +182,7 @@ static int mp3_parse_vbr_tags(AVFormatContext *s, AVStream *st, int64_t base)
if(frames)
st->duration = av_rescale_q(frames, (AVRational){spf, c.sample_rate},
st->time_base);
if(size && frames)
if (size && frames && !is_cbr)
st->codec->bit_rate = av_rescale(size, 8 * c.sample_rate, frames * (int64_t)spf);
return 0;

View File

@@ -1,3 +1,3 @@
40a4e41ae74ec8dacdf02402831a6a58 *./tests/data/lavf-fate/lavf.mp3
97230 ./tests/data/lavf-fate/lavf.mp3
7fcf80c2059b5c058a6cdd2e2f798b6c *./tests/data/lavf-fate/lavf.mp3
96366 ./tests/data/lavf-fate/lavf.mp3
./tests/data/lavf-fate/lavf.mp3 CRC=0x6c9850fe