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Code Issues Releases Activity

Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  h264: new assembly version of get_cabac for x86_64 with PIC
  h264: use one table instead of several for cabac functions
  h264: (trivial) remove unneeded macro argument in x86/cabac.h
  libschroedingerdec: check malloc
  segment: reorder seg_write_header allocation
  avio: make avio_close(NULL) a no-op
  mov: Parse EC3SpecificBox (dec3 atom).

Conflicts:
	libavcodec/cabac.c
	libavcodec/x86/cabac.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-04-28 20:45:06 +02:00
parent c31be45e14 9b9df1cdff
commit 9d7c1b4cf3
4 changed files with 45 additions and 9 deletions
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5
libavcodec/libschroedingerdec.c
View File

@@ -106,6 +106,11 @@ static SchroBuffer *FindNextSchroParseUnit(SchroParseUnitContext *parse_ctx)
return NULL;
in_buf = av_malloc(next_pu_offset);
if (!in_buf) {
av_log(parse_ctx, AV_LOG_ERROR, "Unable to allocate input buffer\n");
return NULL;
}
memcpy(in_buf, parse_ctx->buf, next_pu_offset);
enc_buf = schro_buffer_new_with_data(in_buf, next_pu_offset);
enc_buf->free = libschroedinger_decode_buffer_free;

6
libavformat/aviobuf.c
View File

@@ -785,8 +785,12 @@ int avio_open2(AVIOContext **s, const char *filename, int flags,
int avio_close(AVIOContext *s)
{
URLContext *h = s->opaque;
URLContext *h;
if (!s)
return 0;
h = s->opaque;
av_free(s->buffer);
av_free(s);
return ffurl_close(h);

29
libavformat/mov.c
View File

@@ -596,6 +596,34 @@ static int mov_read_dac3(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return 0;
}
static int mov_read_dec3(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
int eac3info, acmod, lfeon, bsmod;
if (c->fc->nb_streams < 1)
return 0;
st = c->fc->streams[c->fc->nb_streams-1];
/* No need to parse fields for additional independent substreams and its
* associated dependent substreams since libavcodec's E-AC-3 decoder
* does not support them yet. */
avio_rb16(pb); /* data_rate and num_ind_sub */
eac3info = avio_rb24(pb);
bsmod = (eac3info >> 12) & 0x1f;
acmod = (eac3info >> 9) & 0x7;
lfeon = (eac3info >> 8) & 0x1;
st->codec->channel_layout = avpriv_ac3_channel_layout_tab[acmod];
if (lfeon)
st->codec->channel_layout |= AV_CH_LOW_FREQUENCY;
st->codec->channels = av_get_channel_layout_nb_channels(st->codec->channel_layout);
st->codec->audio_service_type = bsmod;
if (st->codec->channels > 1 && bsmod == 0x7)
st->codec->audio_service_type = AV_AUDIO_SERVICE_TYPE_KARAOKE;
return 0;
}
static int mov_read_chan(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
@@ -2605,6 +2633,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
{ MKTAG('w','a','v','e'), mov_read_wave },
{ MKTAG('e','s','d','s'), mov_read_esds },
{ MKTAG('d','a','c','3'), mov_read_dac3 }, /* AC-3 info */
{ MKTAG('d','e','c','3'), mov_read_dec3 }, /* EAC-3 info */
{ MKTAG('w','i','d','e'), mov_read_wide }, /* place holder */
{ MKTAG('w','f','e','x'), mov_read_wfex },
{ MKTAG('c','m','o','v'), mov_read_cmov },

14
libavformat/segment.c
View File

@@ -113,10 +113,15 @@ static int seg_write_header(AVFormatContext *s)
seg->offset_time = 0;
seg->recording_time = seg->time * 1000000;
oc = avformat_alloc_context();
if (!oc)
return AVERROR(ENOMEM);
if (seg->list)
if ((ret = avio_open2(&seg->pb, seg->list, AVIO_FLAG_WRITE,
&s->interrupt_callback, NULL)) < 0)
return ret;
goto fail;
for (i = 0; i< s->nb_streams; i++)
seg->has_video +=
@@ -127,13 +132,6 @@ static int seg_write_header(AVFormatContext *s)
"More than a single video stream present, "
"expect issues decoding it.\n");
oc = avformat_alloc_context();
if (!oc) {
ret = AVERROR(ENOMEM);
goto fail;
}
oc->oformat = av_guess_format(seg->format, s->filename, NULL);
if (!oc->oformat) {