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Code Issues Releases Activity

avformat/riffdec: Pass logctx as void* instead of AVFormatContext*

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Also stop second-guessing error codes from ff_get_extradata().

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2023-08-09 10:36:21 +02:00
parent 6a15b4d16c
commit a94a6617a3
2 changed files with 16 additions and 13 deletions
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3
libavformat/riff.h
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@ -67,7 +67,8 @@ void ff_put_bmp_header(AVIOContext *pb, AVCodecParameters *par, int for_asf, int
int ff_put_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int flags); int ff_put_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int flags);
enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps); enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps);
int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int size, int big_endian); int ff_get_wav_header(void *logctx, AVIOContext *pb, AVCodecParameters *par,
int size, int big_endian);
extern const AVCodecTag ff_codec_bmp_tags[]; // exposed through avformat_get_riff_video_tags() extern const AVCodecTag ff_codec_bmp_tags[]; // exposed through avformat_get_riff_video_tags()
extern const AVCodecTag ff_codec_wav_tags[]; extern const AVCodecTag ff_codec_wav_tags[];

26
libavformat/riffdec.c
View File

@ -58,7 +58,7 @@ enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid)
* an openended structure. * an openended structure.
*/ */
static void parse_waveformatex(AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par) static void parse_waveformatex(void *logctx, AVIOContext *pb, AVCodecParameters *par)
{ {
ff_asf_guid subformat; ff_asf_guid subformat;
int bps; int bps;
@ -84,21 +84,21 @@ static void parse_waveformatex(AVFormatContext *s, AVIOContext *pb, AVCodecParam
} else { } else {
par->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat); par->codec_id = ff_codec_guid_get_id(ff_codec_wav_guids, subformat);
if (!par->codec_id) if (!par->codec_id)
av_log(s, AV_LOG_WARNING, av_log(logctx, AV_LOG_WARNING,
"unknown subformat:"FF_PRI_GUID"\n", "unknown subformat:"FF_PRI_GUID"\n",
FF_ARG_GUID(subformat)); FF_ARG_GUID(subformat));
} }
} }
/* "big_endian" values are needed for RIFX file format */ /* "big_endian" values are needed for RIFX file format */
int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb, int ff_get_wav_header(void *logctx, AVIOContext *pb,
AVCodecParameters *par, int size, int big_endian) AVCodecParameters *par, int size, int big_endian)
{ {
int id, channels = 0; int id, channels = 0, ret;
uint64_t bitrate = 0; uint64_t bitrate = 0;
if (size < 14) { if (size < 14) {
avpriv_request_sample(s, "wav header size < 14"); avpriv_request_sample(logctx, "wav header size < 14");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
@ -139,19 +139,20 @@ int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb,
if (size >= 18 && id != 0x0165) { /* We're obviously dealing with WAVEFORMATEX */ if (size >= 18 && id != 0x0165) { /* We're obviously dealing with WAVEFORMATEX */
int cbSize = avio_rl16(pb); /* cbSize */ int cbSize = avio_rl16(pb); /* cbSize */
if (big_endian) { if (big_endian) {
avpriv_report_missing_feature(s, "WAVEFORMATEX support for RIFX files"); avpriv_report_missing_feature(logctx, "WAVEFORMATEX support for RIFX files");
return AVERROR_PATCHWELCOME; return AVERROR_PATCHWELCOME;
} }
size -= 18; size -= 18;
cbSize = FFMIN(size, cbSize); cbSize = FFMIN(size, cbSize);
if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */ if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
parse_waveformatex(s, pb, par); parse_waveformatex(logctx, pb, par);
cbSize -= 22; cbSize -= 22;
size -= 22; size -= 22;
} }
if (cbSize > 0) { if (cbSize > 0) {
if (ff_get_extradata(s, par, pb, cbSize) < 0) ret = ff_get_extradata(logctx, par, pb, cbSize);
return AVERROR(ENOMEM); if (ret < 0)
return ret;
size -= cbSize; size -= cbSize;
} }
@ -162,8 +163,9 @@ int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb,
int nb_streams, i; int nb_streams, i;
size -= 4; size -= 4;
if (ff_get_extradata(s, par, pb, size) < 0) ret = ff_get_extradata(logctx, par, pb, size);
return AVERROR(ENOMEM); if (ret < 0)
return ret;
nb_streams = AV_RL16(par->extradata + 4); nb_streams = AV_RL16(par->extradata + 4);
par->sample_rate = AV_RL32(par->extradata + 12); par->sample_rate = AV_RL32(par->extradata + 12);
channels = 0; channels = 0;
@ -177,7 +179,7 @@ int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb,
par->bit_rate = bitrate; par->bit_rate = bitrate;
if (par->sample_rate <= 0) { if (par->sample_rate <= 0) {
av_log(s, AV_LOG_ERROR, av_log(logctx, AV_LOG_ERROR,
"Invalid sample rate: %d\n", par->sample_rate); "Invalid sample rate: %d\n", par->sample_rate);
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }