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Code Issues Releases Activity

avformat: Remove unnecessary av_packet_unref()

Browse Source 
Since bae8844e the packet will always be unreferenced when a demuxer
returns an error, so that a lot of calls to av_packet_unref() in lots of
demuxers are now redundant and can be removed.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Andreas Rheinhardt 2020-01-07 14:55:40 +01:00 committed by Marton Balint
parent bbea268aa8
commit 6a67d518d6
52 changed files with 17 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavformat/aacdec.c
View File

@ -141,7 +141,6 @@ static int handle_id3(AVFormatContext *s, AVPacket *pkt)
ret = av_append_packet(s->pb, pkt, ff_id3v2_tag_len(pkt->data) - pkt->size);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
@ -174,7 +173,6 @@ retry:
return ret;
if (ret < ADTS_HEADER_SIZE) {
av_packet_unref(pkt);
return AVERROR(EIO);
}
@ -185,7 +183,6 @@ retry:
av_assert2(append > 0);
ret = av_append_packet(s->pb, pkt, append);
if (ret != append) {
av_packet_unref(pkt);
return AVERROR(EIO);
}
if (!ff_id3v2_match(pkt->data, ID3v2_DEFAULT_MAGIC)) {
@ -201,13 +198,10 @@ retry:
fsize = (AV_RB32(pkt->data + 3) >> 13) & 0x1FFF;
if (fsize < ADTS_HEADER_SIZE) {
av_packet_unref(pkt);
return AVERROR_INVALIDDATA;
}
ret = av_append_packet(s->pb, pkt, fsize - pkt->size);
if (ret < 0)
av_packet_unref(pkt);
return ret;
}

1
libavformat/adp.c
View File

@ -78,7 +78,6 @@ static int adp_read_packet(AVFormatContext *s, AVPacket *pkt)
if (ret != size) {
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
av_shrink_packet(pkt, ret);

2
libavformat/adxdec.c
View File

@ -65,11 +65,9 @@ static int adx_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_get_packet(s->pb, pkt, size);
if (ret != size) {
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR(EIO);
}
if (AV_RB16(pkt->data) & 0x8000) {
av_packet_unref(pkt);
return AVERROR_EOF;
}
pkt->size = size;

1
libavformat/amr.c
View File

@ -153,7 +153,6 @@ static int amr_read_packet(AVFormatContext *s, AVPacket *pkt)
read = avio_read(s->pb, pkt->data + 1, size - 1);
if (read != size - 1) {
av_packet_unref(pkt);
if (read < 0)
return read;
return AVERROR(EIO);

1
libavformat/ape.c
View File

@ -419,7 +419,6 @@ static int ape_read_packet(AVFormatContext * s, AVPacket * pkt)
AV_WL32(pkt->data + 4, ape->frames[ape->currentframe].skip);
ret = avio_read(s->pb, pkt->data + extra_size, ape->frames[ape->currentframe].size);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}

1
libavformat/avs.c
View File

@ -114,7 +114,6 @@ avs_read_video_packet(AVFormatContext * s, AVPacket * pkt,
pkt->data[palette_size + 3] = (size >> 8) & 0xFF;
ret = avio_read(s->pb, pkt->data + palette_size + 4, size - 4) + 4;
if (ret < size) {
av_packet_unref(pkt);
return AVERROR(EIO);
}

3
libavformat/brstm.c
View File

@ -422,8 +422,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
dst += size;
avio_skip(s->pb, skip);
if (ret != size) {
av_packet_unref(pkt);
break;
return AVERROR(EIO);
}
}
pkt->duration = samples;

13
libavformat/c93.c
View File

@ -158,22 +158,19 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
ret = avio_read(pb, pkt->data + 1, datasize);
if (ret < datasize) {
ret = AVERROR(EIO);
goto fail;
return AVERROR(EIO);
}
datasize = avio_rl16(pb); /* palette size */
if (datasize) {
if (datasize != 768) {
av_log(s, AV_LOG_ERROR, "invalid palette size %u\n", datasize);
ret = AVERROR_INVALIDDATA;
goto fail;
return AVERROR_INVALIDDATA;
}
pkt->data[0] |= C93_HAS_PALETTE;
ret = avio_read(pb, pkt->data + pkt->size, datasize);
if (ret < datasize) {
ret = AVERROR(EIO);
goto fail;
return AVERROR(EIO);
}
pkt->size += 768;
}
@ -186,10 +183,6 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->data[0] |= C93_FIRST_FRAME;
}
return 0;
fail:
av_packet_unref(pkt);
return ret;
}
AVInputFormat ff_c93_demuxer = {

1
libavformat/cdxl.c
View File

@ -207,7 +207,6 @@ static int cdxl_read_packet(AVFormatContext *s, AVPacket *pkt)
memcpy(pkt->data, cdxl->header, CDXL_HEADER_SIZE);
ret = avio_read(pb, pkt->data + CDXL_HEADER_SIZE, video_size);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
av_shrink_packet(pkt, CDXL_HEADER_SIZE + ret);

4
libavformat/concatdec.c
View File

@ -542,7 +542,6 @@ static int filter_packet(AVFormatContext *avf, ConcatStream *cs, AVPacket *pkt)
if (ret < 0) {
av_log(avf, AV_LOG_ERROR, "h264_mp4toannexb filter "
"failed to send input packet\n");
av_packet_unref(pkt);
return ret;
}
@ -592,7 +591,6 @@ static int concat_read_packet(AVFormatContext *avf, AVPacket *pkt)
if (ret < 0)
return ret;
if ((ret = match_streams(avf)) < 0) {
av_packet_unref(pkt);
return ret;
}
if (packet_after_outpoint(cat, pkt)) {
@ -608,7 +606,7 @@ static int concat_read_packet(AVFormatContext *avf, AVPacket *pkt)
}
break;
}
if ((ret = filter_packet(avf, cs, pkt)))
if ((ret = filter_packet(avf, cs, pkt)) < 0)
return ret;
st = cat->avf->streams[pkt->stream_index];

3
libavformat/dfa.c
View File

@ -93,7 +93,6 @@ static int dfa_read_packet(AVFormatContext *s, AVPacket *pkt)
if (!first) {
ret = av_append_packet(pb, pkt, 12);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
} else
@ -101,7 +100,6 @@ static int dfa_read_packet(AVFormatContext *s, AVPacket *pkt)
frame_size = AV_RL32(pkt->data + pkt->size - 8);
if (frame_size > INT_MAX - 4) {
av_log(s, AV_LOG_ERROR, "Too large chunk size: %"PRIu32"\n", frame_size);
av_packet_unref(pkt);
return AVERROR(EIO);
}
if (AV_RL32(pkt->data + pkt->size - 12) == MKTAG('E', 'O', 'F', 'R')) {
@ -115,7 +113,6 @@ static int dfa_read_packet(AVFormatContext *s, AVPacket *pkt)
}
ret = av_append_packet(pb, pkt, frame_size);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
}

1
libavformat/dsicin.c
View File

@ -200,7 +200,6 @@ static int cin_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = avio_read(pb, &pkt->data[4], pkt_size);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
if (ret < pkt_size)

6
libavformat/dss.c
View File

@ -259,14 +259,12 @@ static int dss_sp_read_packet(AVFormatContext *s, AVPacket *pkt)
dss_sp_byte_swap(ctx, pkt->data, ctx->dss_sp_buf);
if (ctx->dss_sp_swap_byte < 0) {
ret = AVERROR(EAGAIN);
goto error_eof;
return AVERROR(EAGAIN);
}
return pkt->size;
error_eof:
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR_EOF;
}
@ -308,7 +306,6 @@ static int dss_723_1_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = avio_read(s->pb, pkt->data + offset,
size2 - offset);
if (ret < size2 - offset) {
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR_EOF;
}
@ -318,7 +315,6 @@ static int dss_723_1_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = avio_read(s->pb, pkt->data + offset, size - offset);
if (ret < size - offset) {
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR_EOF;
}

1
libavformat/dxa.c
View File

@ -210,7 +210,6 @@ static int dxa_read_packet(AVFormatContext *s, AVPacket *pkt)
memcpy(pkt->data + pal_size, buf, DXA_EXTRA_SIZE);
ret = avio_read(s->pb, pkt->data + DXA_EXTRA_SIZE + pal_size, size);
if(ret != size){
av_packet_unref(pkt);
return AVERROR(EIO);
}
if(pal_size) memcpy(pkt->data, pal, pal_size);

3
libavformat/electronicarts.c
View File

@ -633,7 +633,6 @@ static int ea_read_packet(AVFormatContext *s, AVPacket *pkt)
case AV_CODEC_ID_ADPCM_EA_R3:
if (pkt->size < 4) {
av_log(s, AV_LOG_ERROR, "Packet is too short\n");
av_packet_unref(pkt);
return AVERROR_INVALIDDATA;
}
if (ea->audio_codec == AV_CODEC_ID_ADPCM_EA_R3)
@ -736,8 +735,6 @@ get_video_packet:
}
}
if (ret < 0 && partial_packet)
av_packet_unref(pkt);
if (ret >= 0 && hit_end && !packet_read)
return AVERROR(EAGAIN);

2
libavformat/fitsdec.c
View File

@ -183,7 +183,6 @@ static int fits_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_bprint_finalize(&avbuf, &buf);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
@ -192,7 +191,6 @@ static int fits_read_packet(AVFormatContext *s, AVPacket *pkt)
av_freep(&buf);
ret = avio_read(s->pb, pkt->data + pkt->size, size);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}

3
libavformat/flic.c
View File

@ -225,7 +225,6 @@ static int flic_read_packet(AVFormatContext *s,
ret = avio_read(pb, pkt->data + FLIC_PREAMBLE_SIZE,
size - FLIC_PREAMBLE_SIZE);
if (ret != size - FLIC_PREAMBLE_SIZE) {
av_packet_unref(pkt);
ret = AVERROR(EIO);
}
packet_read = 1;
@ -241,8 +240,8 @@ static int flic_read_packet(AVFormatContext *s,
ret = avio_read(pb, pkt->data, size);
if (ret != size) {
av_packet_unref(pkt);
ret = AVERROR(EIO);
break;
}
packet_read = 1;

1
libavformat/g723_1.c
View File

@ -69,7 +69,6 @@ static int g723_1_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = avio_read(s->pb, pkt->data + 1, size - 1);
if (ret < size - 1) {
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR_EOF;
}

1
libavformat/gdv.c
View File

@ -182,7 +182,6 @@ static int gdv_read_packet(AVFormatContext *ctx, AVPacket *pkt)
pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE,
AVPALETTE_SIZE);
if (!pal) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
}
memcpy(pal, gdv->pal, AVPALETTE_SIZE);

1
libavformat/gsmdec.c
View File

@ -62,7 +62,6 @@ static int gsm_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_get_packet(s->pb, pkt, size);
if (ret < GSM_BLOCK_SIZE) {
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR(EIO);
}
pkt->duration = 1;

1
libavformat/hls.c
View File

@ -2225,7 +2225,6 @@ static int hls_read_packet(AVFormatContext *s, AVPacket *pkt)
if (ist->codecpar->codec_id != st->codecpar->codec_id) {
ret = set_stream_info_from_input_stream(st, pls, ist);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
}

1
libavformat/icodec.c
View File

@ -185,7 +185,6 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
bytestream_put_le32(&buf, 0);
if ((ret = avio_read(pb, buf, image->size)) != image->size) {
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR_INVALIDDATA;
}

2
libavformat/idcin.c
View File

@ -313,7 +313,6 @@ static int idcin_read_packet(AVFormatContext *s,
return ret;
else if (ret != chunk_size) {
av_log(s, AV_LOG_ERROR, "incomplete packet\n");
av_packet_unref(pkt);
return AVERROR(EIO);
}
if (command == 1) {
@ -322,7 +321,6 @@ static int idcin_read_packet(AVFormatContext *s,
pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE,
AVPALETTE_SIZE);
if (!pal) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
}
memcpy(pal, palette, AVPALETTE_SIZE);

3
libavformat/idroqdec.c
View File

@ -224,8 +224,7 @@ static int roq_read_packet(AVFormatContext *s,
ret = avio_read(pb, pkt->data + RoQ_CHUNK_PREAMBLE_SIZE,
chunk_size);
if (ret != chunk_size) {
av_packet_unref(pkt);
ret = AVERROR(EIO);
return AVERROR(EIO);
}
packet_read = 1;

1
libavformat/ilbc.c
View File

@ -111,7 +111,6 @@ static int ilbc_read_packet(AVFormatContext *s,
pkt->pos = avio_tell(s->pb);
pkt->duration = par->block_align == 38 ? 160 : 240;
if ((ret = avio_read(s->pb, pkt->data, par->block_align)) != par->block_align) {
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR(EIO);
}

1
libavformat/img2dec.c
View File

@ -542,7 +542,6 @@ int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt)
}
if (ret[0] <= 0 || ret[1] < 0 || ret[2] < 0) {
av_packet_unref(pkt);
if (ret[0] < 0) {
res = ret[0];
} else if (ret[1] < 0) {

1
libavformat/iv8.c
View File

@ -92,7 +92,6 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_append_packet(s->pb, pkt, size);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "failed to grow packet\n");
av_packet_unref(pkt);
return ret;
}
}

1
libavformat/libmodplug.c
View File

@ -327,7 +327,6 @@ static int modplug_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->size = ModPlug_Read(modplug->f, pkt->data, AUDIO_PKT_SIZE);
if (pkt->size <= 0) {
av_packet_unref(pkt);
return pkt->size == 0 ? AVERROR_EOF : AVERROR(EIO);
}
return 0;

1
libavformat/lxfdec.c
View File

@ -316,7 +316,6 @@ static int lxf_read_packet(AVFormatContext *s, AVPacket *pkt)
return ret2;
if ((ret2 = avio_read(pb, pkt->data, ret)) != ret) {
av_packet_unref(pkt);
return ret2 < 0 ? ret2 : AVERROR_EOF;
}

1
libavformat/mov.c
View File

@ -7890,7 +7890,6 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = cenc_filter(mov, st, sc, pkt, current_index);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}

1
libavformat/mpc.c
View File

@ -169,7 +169,6 @@ static int mpc_read_packet(AVFormatContext *s, AVPacket *pkt)
if(c->curbits)
avio_seek(s->pb, -4, SEEK_CUR);
if(ret < size){
av_packet_unref(pkt);
return ret < 0 ? ret : AVERROR(EIO);
}
pkt->size = ret + 4;

1
libavformat/mpegts.c
View File

@ -3133,7 +3133,6 @@ static int mpegts_raw_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = read_packet(s, pkt->data, ts->raw_packet_size, &data);
pkt->pos = avio_tell(s->pb);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
if (data != pkt->data)

2
libavformat/mpjpegdec.c
View File

@ -359,8 +359,6 @@ static int mpjpeg_read_packet(AVFormatContext *s, AVPacket *pkt)
/* error or EOF occurred */
if (ret == AVERROR_EOF) {
ret = pkt->size > 0 ? pkt->size : AVERROR_EOF;
} else {
av_packet_unref(pkt);
}
}

1
libavformat/ncdec.c
View File

@ -83,7 +83,6 @@ static int nc_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_get_packet(s->pb, pkt, size);
if (ret != size) {
if (ret > 0) av_packet_unref(pkt);
return AVERROR(EIO);
}

1
libavformat/nuv.c
View File

@ -284,7 +284,6 @@ static int nuv_packet(AVFormatContext *s, AVPacket *pkt)
memcpy(pkt->data, hdr, copyhdrsize);
ret = avio_read(pb, pkt->data + copyhdrsize, size);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
if (ret < size)

7
libavformat/oggdec.c
View File

@ -851,7 +851,7 @@ retry:
AV_PKT_DATA_SKIP_SAMPLES,
10);
if(!side_data)
goto fail;
return AVERROR(ENOMEM);
AV_WL32(side_data + 4, os->end_trimming);
os->end_trimming = 0;
}
@ -861,7 +861,7 @@ retry:
AV_PKT_DATA_METADATA_UPDATE,
os->new_metadata_size);
if(!side_data)
goto fail;
return AVERROR(ENOMEM);
memcpy(side_data, os->new_metadata, os->new_metadata_size);
av_freep(&os->new_metadata);
@ -869,9 +869,6 @@ retry:
}
return psize;
fail:
av_packet_unref(pkt);
return AVERROR(ENOMEM);
}
static int64_t ogg_read_timestamp(AVFormatContext *s, int stream_index,

1
libavformat/redspark.c
View File

@ -140,7 +140,6 @@ static int redspark_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_get_packet(s->pb, pkt, size);
if (ret != size) {
av_packet_unref(pkt);
return AVERROR(EIO);
}

1
libavformat/rl2.c
View File

@ -256,7 +256,6 @@ static int rl2_read_packet(AVFormatContext *s,
/** fill the packet */
ret = av_get_packet(pb, pkt, sample->size);
if(ret != sample->size){
av_packet_unref(pkt);
return AVERROR(EIO);
}

2
libavformat/rpl.c
View File

@ -338,7 +338,6 @@ static int rpl_read_packet(AVFormatContext *s, AVPacket *pkt)
if (ret < 0)
return ret;
if (ret != frame_size) {
av_packet_unref(pkt);
return AVERROR(EIO);
}
pkt->duration = 1;
@ -355,7 +354,6 @@ static int rpl_read_packet(AVFormatContext *s, AVPacket *pkt)
if (ret < 0)
return ret;
if (ret != index_entry->size) {
av_packet_unref(pkt);
return AVERROR(EIO);
}

2
libavformat/s337m.c
View File

@ -174,7 +174,6 @@ static int s337m_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->pos = pos;
if (avio_read(pb, pkt->data, pkt->size) < pkt->size) {
av_packet_unref(pkt);
return AVERROR_EOF;
}
@ -186,7 +185,6 @@ static int s337m_read_packet(AVFormatContext *s, AVPacket *pkt)
if (!s->nb_streams) {
AVStream *st = avformat_new_stream(s, NULL);
if (!st) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
}
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;

1
libavformat/sapdec.c
View File

@ -225,7 +225,6 @@ static int sap_fetch_packet(AVFormatContext *s, AVPacket *pkt)
int i = s->nb_streams;
AVStream *st = avformat_new_stream(s, NULL);
if (!st) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
}
st->id = i;

1
libavformat/sdr2.c
View File

@ -95,7 +95,6 @@ static int sdr2_read_packet(AVFormatContext *s, AVPacket *pkt)
memcpy(pkt->data, header, 24);
ret = avio_read(s->pb, pkt->data + 24, next - 52);
if (ret < 0) {
av_packet_unref(pkt);
return ret;
}
av_shrink_packet(pkt, ret + 24);

1
libavformat/sierravmd.c
View File

@ -295,7 +295,6 @@ static int vmd_read_packet(AVFormatContext *s,
frame->frame_size);
if (ret != frame->frame_size) {
av_packet_unref(pkt);
ret = AVERROR(EIO);
}
pkt->stream_index = frame->stream_index;

1
libavformat/siff.c
View File

@ -220,7 +220,6 @@ static int siff_read_packet(AVFormatContext *s, AVPacket *pkt)
if (c->gmcsize)
memcpy(pkt->data + 2, c->gmc, c->gmcsize);
if (avio_read(s->pb, pkt->data + 2 + c->gmcsize, size) != size) {
av_packet_unref(pkt);
return AVERROR_INVALIDDATA;
}
pkt->stream_index = 0;

5
libavformat/spdifdec.c
View File

@ -197,15 +197,13 @@ int ff_spdif_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->pos = avio_tell(pb) - BURST_HEADER_SIZE;
if (avio_read(pb, pkt->data, pkt->size) < pkt->size) {
av_packet_unref(pkt);
return AVERROR_EOF;
}
ff_spdif_bswap_buf16((uint16_t *)pkt->data, (uint16_t *)pkt->data, pkt->size >> 1);
ret = spdif_get_offset_and_codec(s, data_type, pkt->data,
&offset, &codec_id);
if (ret) {
av_packet_unref(pkt);
if (ret < 0) {
return ret;
}
@ -216,7 +214,6 @@ int ff_spdif_read_packet(AVFormatContext *s, AVPacket *pkt)
/* first packet, create a stream */
AVStream *st = avformat_new_stream(s, NULL);
if (!st) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
}
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;

3
libavformat/swfdec.c
View File

@ -399,7 +399,6 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt)
if (linesize * height > pkt->size) {
res = AVERROR_INVALIDDATA;
av_packet_unref(pkt);
goto bitmap_end;
}
@ -489,7 +488,6 @@ bitmap_end_skip:
if ((res = av_new_packet(pkt, len)) < 0)
return res;
if (avio_read(pb, pkt->data, 4) != 4) {
av_packet_unref(pkt);
return AVERROR_INVALIDDATA;
}
if (AV_RB32(pkt->data) == 0xffd8ffd9 ||
@ -506,7 +504,6 @@ bitmap_end_skip:
}
if (res != pkt->size) {
if (res < 0) {
av_packet_unref(pkt);
return res;
}
av_shrink_packet(pkt, res);

2
libavformat/thp.c
View File

@ -181,7 +181,6 @@ static int thp_read_packet(AVFormatContext *s,
if (ret < 0)
return ret;
if (ret != size) {
av_packet_unref(pkt);
return AVERROR(EIO);
}
@ -191,7 +190,6 @@ static int thp_read_packet(AVFormatContext *s,
if (ret < 0)
return ret;
if (ret != thp->audiosize) {
av_packet_unref(pkt);
return AVERROR(EIO);
}

14
libavformat/vivo.c
View File

@ -273,32 +273,28 @@ restart:
}
if ((ret = av_get_packet(pb, pkt, vivo->length)) < 0)
goto fail;
return ret;
// get next packet header
if ((ret = vivo_get_packet_header(s)) < 0)
goto fail;
return ret;
while (vivo->sequence == old_sequence &&
(((vivo->type - 1) >> 1) == ((old_type - 1) >> 1))) {
if (avio_feof(pb)) {
ret = AVERROR_EOF;
break;
return AVERROR_EOF;
}
if ((ret = av_append_packet(pb, pkt, vivo->length)) < 0)
break;
return ret;
// get next packet header
if ((ret = vivo_get_packet_header(s)) < 0)
break;
return ret;
}
pkt->stream_index = stream_index;
fail:
if (ret < 0)
av_packet_unref(pkt);
return ret;
}

4
libavformat/vpk.c
View File

@ -93,9 +93,7 @@ static int vpk_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = avio_read(s->pb, pkt->data + i * size, size);
avio_skip(s->pb, skip);
if (ret != size) {
av_packet_unref(pkt);
ret = AVERROR(EIO);
break;
return AVERROR(EIO);
}
}
pkt->stream_index = 0;

1
libavformat/vqf.c
View File

@ -249,7 +249,6 @@ static int vqf_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = avio_read(s->pb, pkt->data+2, size);
if (ret != size) {
av_packet_unref(pkt);
return AVERROR(EIO);
}

4
libavformat/wvdec.c
View File

@ -287,25 +287,21 @@ static int wv_read_packet(AVFormatContext *s, AVPacket *pkt)
memcpy(pkt->data, wc->block_header, WV_HEADER_SIZE);
ret = avio_read(s->pb, pkt->data + WV_HEADER_SIZE, wc->header.blocksize);
if (ret != wc->header.blocksize) {
av_packet_unref(pkt);
return AVERROR(EIO);
}
while (!(wc->header.flags & WV_FLAG_FINAL_BLOCK)) {
if ((ret = wv_read_block_header(s, s->pb)) < 0) {
av_packet_unref(pkt);
return ret;
}
off = pkt->size;
if ((ret = av_grow_packet(pkt, WV_HEADER_SIZE + wc->header.blocksize)) < 0) {
av_packet_unref(pkt);
return ret;
}
memcpy(pkt->data + off, wc->block_header, WV_HEADER_SIZE);
ret = avio_read(s->pb, pkt->data + off + WV_HEADER_SIZE, wc->header.blocksize);
if (ret != wc->header.blocksize) {
av_packet_unref(pkt);
return (ret < 0) ? ret : AVERROR_EOF;
}
}

1
libavformat/yuv4mpegdec.c
View File

@ -314,7 +314,6 @@ static int yuv4_read_packet(AVFormatContext *s, AVPacket *pkt)
if (ret < 0)
return ret;
else if (ret != s->packet_size - Y4M_FRAME_MAGIC_LEN) {
av_packet_unref(pkt);
return s->pb->eof_reached ? AVERROR_EOF : AVERROR(EIO);
}
pkt->stream_index = 0;