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Merge commit '059a934806d61f7af9ab3fd9f74994b838ea5eba'

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* commit '059a934806d61f7af9ab3fd9f74994b838ea5eba':
  lavc: Consistently prefix input buffer defines

Conflicts:
	doc/examples/decoding_encoding.c
	libavcodec/4xm.c
	libavcodec/aac_adtstoasc_bsf.c
	libavcodec/aacdec.c
	libavcodec/aacenc.c
	libavcodec/ac3dec.h
	libavcodec/asvenc.c
	libavcodec/avcodec.h
	libavcodec/avpacket.c
	libavcodec/dvdec.c
	libavcodec/ffv1enc.c
	libavcodec/g2meet.c
	libavcodec/gif.c
	libavcodec/h264.c
	libavcodec/h264_mp4toannexb_bsf.c
	libavcodec/huffyuvdec.c
	libavcodec/huffyuvenc.c
	libavcodec/jpeglsenc.c
	libavcodec/libxvid.c
	libavcodec/mdec.c
	libavcodec/motionpixels.c
	libavcodec/mpeg4videodec.c
	libavcodec/mpegvideo.c
	libavcodec/noise_bsf.c
	libavcodec/nuv.c
	libavcodec/nvenc.c
	libavcodec/options.c
	libavcodec/parser.c
	libavcodec/pngenc.c
	libavcodec/proresenc_kostya.c
	libavcodec/qsvdec.c
	libavcodec/svq1enc.c
	libavcodec/tiffenc.c
	libavcodec/truemotion2.c
	libavcodec/utils.c
	libavcodec/utvideoenc.c
	libavcodec/vc1dec.c
	libavcodec/wmalosslessdec.c
	libavformat/adxdec.c
	libavformat/aiffdec.c
	libavformat/apc.c
	libavformat/apetag.c
	libavformat/avidec.c
	libavformat/bink.c
	libavformat/cafdec.c
	libavformat/flvdec.c
	libavformat/id3v2.c
	libavformat/isom.c
	libavformat/matroskadec.c
	libavformat/mov.c
	libavformat/mpc.c
	libavformat/mpc8.c
	libavformat/mpegts.c
	libavformat/mvi.c
	libavformat/mxfdec.c
	libavformat/mxg.c
	libavformat/nutdec.c
	libavformat/oggdec.c
	libavformat/oggparsecelt.c
	libavformat/oggparseflac.c
	libavformat/oggparseopus.c
	libavformat/oggparsespeex.c
	libavformat/omadec.c
	libavformat/rawdec.c
	libavformat/riffdec.c
	libavformat/rl2.c
	libavformat/rmdec.c
	libavformat/rtpdec_latm.c
	libavformat/rtpdec_mpeg4.c
	libavformat/rtpdec_qdm2.c
	libavformat/rtpdec_svq3.c
	libavformat/sierravmd.c
	libavformat/smacker.c
	libavformat/smush.c
	libavformat/spdifenc.c
	libavformat/takdec.c
	libavformat/tta.c
	libavformat/utils.c
	libavformat/vqf.c
	libavformat/westwood_vqa.c
	libavformat/xmv.c
	libavformat/xwma.c
	libavformat/yop.c

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-27 22:53:16 +02:00
commit 29d147c94d
153 changed files with 296 additions and 287 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
doc/examples/decoding_encoding.c
View File

@ -245,7 +245,7 @@ static void audio_decode_example(const char *outfilename, const char *filename)
AVCodecContext *c= NULL;
int len;
FILE *f, *outfile;
uint8_t inbuf[AUDIO_INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
uint8_t inbuf[AUDIO_INBUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
AVPacket avpkt;
AVFrame *decoded_frame = NULL;
@ -538,13 +538,13 @@ static void video_decode_example(const char *outfilename, const char *filename)
int frame_count;
FILE *f;
AVFrame *frame;
uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
uint8_t inbuf[INBUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
AVPacket avpkt;
av_init_packet(&avpkt);
/* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */
memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(inbuf + INBUF_SIZE, 0, AV_INPUT_BUFFER_PADDING_SIZE);
printf("Decode video file %s to %s\n", filename, outfilename);

2
doc/examples/qsvdec.c
View File

@ -405,7 +405,7 @@ int main(int argc, char **argv)
decoder_ctx->codec_id = AV_CODEC_ID_H264;
if (video_st->codec->extradata_size) {
decoder_ctx->extradata = av_mallocz(video_st->codec->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!decoder_ctx->extradata) {
ret = AVERROR(ENOMEM);
goto finish;

8
ffmpeg.c
View File

@ -643,7 +643,7 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
int ret;
if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (ost->st->codec->extradata) {
memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
@ -688,10 +688,10 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
pkt->data, pkt->size,
pkt->flags & AV_PKT_FLAG_KEY);
if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
uint8_t *t = av_malloc(new_pkt.size + AV_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
if(t) {
memcpy(t, new_pkt.data, new_pkt.size);
memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(t + new_pkt.size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
new_pkt.data = t;
new_pkt.buf = NULL;
a = 1;
@ -2811,7 +2811,7 @@ static int transcode_init(void)
av_assert0(ist && !ost->filter);
extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
extra_size = (uint64_t)dec_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
if (extra_size > INT_MAX) {
return AVERROR(EINVAL);

2
ffserver.c
View File

@ -3510,7 +3510,7 @@ static void extract_mpeg4_header(AVFormatContext *infile)
if (p[0] == 0x00 && p[1] == 0x00 &&
p[2] == 0x01 && p[3] == 0xb6) {
size = p - pkt.data;
st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
st->codec->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
st->codec->extradata_size = size;
memcpy(st->codec->extradata, pkt.data, size);
break;

4
libavcodec/4xm.c
View File

@ -883,11 +883,11 @@ static int decode_frame(AVCodecContext *avctx, void *data,
}
cfrm = &f->cfrm[i];
if (data_size > UINT_MAX - cfrm->size - FF_INPUT_BUFFER_PADDING_SIZE)
if (data_size > UINT_MAX - cfrm->size - AV_INPUT_BUFFER_PADDING_SIZE)
return AVERROR_INVALIDDATA;
cfrm->data = av_fast_realloc(cfrm->data, &cfrm->allocated_size,
cfrm->size + data_size + FF_INPUT_BUFFER_PADDING_SIZE);
cfrm->size + data_size + AV_INPUT_BUFFER_PADDING_SIZE);
// explicit check needed as memcpy below might not catch a NULL
if (!cfrm->data) {
av_log(f->avctx, AV_LOG_ERROR, "realloc failure\n");

2
libavcodec/a64multienc.c
View File

@ -235,7 +235,7 @@ static av_cold int a64multi_encode_init(AVCodecContext *avctx)
}
/* set up extradata */
if (!(avctx->extradata = av_mallocz(8 * 4 + FF_INPUT_BUFFER_PADDING_SIZE))) {
if (!(avctx->extradata = av_mallocz(8 * 4 + AV_INPUT_BUFFER_PADDING_SIZE))) {
av_log(avctx, AV_LOG_ERROR, "Failed to allocate memory for extradata.\n");
return AVERROR(ENOMEM);
}

2
libavcodec/aac_adtstoasc_bsf.c
View File

@ -89,7 +89,7 @@ static int aac_adtstoasc_filter(AVBitStreamFilterContext *bsfc,
}
av_free(avctx->extradata);
avctx->extradata_size = 2 + pce_size;
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
avctx->extradata_size = 0;
return AVERROR(ENOMEM);

2
libavcodec/aac_parser.c
View File

@ -34,7 +34,7 @@ static int aac_sync(uint64_t state, AACAC3ParseContext *hdr_info,
int size;
union {
uint64_t u64;
uint8_t u8[8 + FF_INPUT_BUFFER_PADDING_SIZE];
uint8_t u8[8 + AV_INPUT_BUFFER_PADDING_SIZE];
} tmp;
tmp.u64 = av_be2ne64(state);

4
libavcodec/aacdec.c
View File

@ -322,14 +322,14 @@ static int latm_decode_audio_specific_config(struct LATMContext *latmctx,
if (avctx->extradata_size < esize) {
av_free(avctx->extradata);
avctx->extradata = av_malloc(esize + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_malloc(esize + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
}
avctx->extradata_size = esize;
memcpy(avctx->extradata, gb->buffer + (config_start_bit/8), esize);
memset(avctx->extradata+esize, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(avctx->extradata+esize, 0, AV_INPUT_BUFFER_PADDING_SIZE);
}
skip_bits_long(gb, bits_consumed);

2
libavcodec/aacdec_template.c
View File

@ -3098,7 +3098,7 @@ static int aac_decode_frame(AVCodecContext *avctx, void *data,
if (new_extradata && 0) {
av_free(avctx->extradata);
avctx->extradata = av_mallocz(new_extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
avctx->extradata_size = new_extradata_size;

2
libavcodec/aacenc.c
View File

@ -817,7 +817,7 @@ static av_cold int alloc_buffers(AVCodecContext *avctx, AACEncContext *s)
int ch;
FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->buffer.samples, s->channels, 3 * 1024 * sizeof(s->buffer.samples[0]), alloc_fail);
FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->cpe, s->chan_map[0], sizeof(ChannelElement), alloc_fail);
FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + FF_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + AV_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
for(ch = 0; ch < s->channels; ch++)
s->planar_samples[ch] = s->buffer.samples + 3 * 1024 * ch;

2
libavcodec/ac3_parser.c
View File

@ -166,7 +166,7 @@ static int ac3_sync(uint64_t state, AACAC3ParseContext *hdr_info,
int err;
union {
uint64_t u64;
uint8_t u8[8 + FF_INPUT_BUFFER_PADDING_SIZE];
uint8_t u8[8 + AV_INPUT_BUFFER_PADDING_SIZE];
} tmp = { av_be2ne64(state) };
AC3HeaderInfo hdr, *phdr = &hdr;
GetBitContext gbc;

2
libavcodec/ac3dec.h
View File

@ -235,7 +235,7 @@ typedef struct AC3DecodeContext {
DECLARE_ALIGNED(32, INTFLOAT, window)[AC3_BLOCK_SIZE]; ///< window coefficients
DECLARE_ALIGNED(32, INTFLOAT, tmp_output)[AC3_BLOCK_SIZE]; ///< temporary storage for output before windowing
DECLARE_ALIGNED(32, SHORTFLOAT, output)[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE]; ///< output after imdct transform and windowing
DECLARE_ALIGNED(32, uint8_t, input_buffer)[AC3_FRAME_BUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; ///< temp buffer to prevent overread
DECLARE_ALIGNED(32, uint8_t, input_buffer)[AC3_FRAME_BUFFER_SIZE + AV_INPUT_BUFFER_PADDING_SIZE]; ///< temp buffer to prevent overread
///@}
} AC3DecodeContext;

2
libavcodec/adpcmenc.c
View File

@ -113,7 +113,7 @@ static av_cold int adpcm_encode_init(AVCodecContext *avctx)
avctx->frame_size = (BLKSIZE - 7 * avctx->channels) * 2 / avctx->channels + 2;
avctx->bits_per_coded_sample = 4;
avctx->block_align = BLKSIZE;
if (!(avctx->extradata = av_malloc(32 + FF_INPUT_BUFFER_PADDING_SIZE)))
if (!(avctx->extradata = av_malloc(32 + AV_INPUT_BUFFER_PADDING_SIZE)))
goto error;
avctx->extradata_size = 32;
extradata = avctx->extradata;

2
libavcodec/alacenc.c
View File

@ -531,7 +531,7 @@ static av_cold int alac_encode_init(AVCodecContext *avctx)
avctx->channels,
avctx->bits_per_raw_sample);
avctx->extradata = av_mallocz(ALAC_EXTRADATA_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_mallocz(ALAC_EXTRADATA_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
ret = AVERROR(ENOMEM);
goto error;

2
libavcodec/asvenc.c
View File

@ -265,7 +265,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
}
if ((ret = ff_alloc_packet2(avctx, pkt, a->mb_height * a->mb_width * MAX_MB_SIZE +
FF_MIN_BUFFER_SIZE, 0)) < 0)
AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
init_put_bits(&a->pb, pkt->data, pkt->size);

2
libavcodec/atrac3.c
View File

@ -886,7 +886,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
return AVERROR(EINVAL);
q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!q->decoded_bytes_buffer)
return AVERROR(ENOMEM);

23
libavcodec/avcodec.h
View File

@ -632,15 +632,24 @@ typedef struct AVCodecDescriptor {
* Note: If the first 23 bits of the additional bytes are not 0, then damaged
* MPEG bitstreams could cause overread and segfault.
*/
#define FF_INPUT_BUFFER_PADDING_SIZE 32
#define AV_INPUT_BUFFER_PADDING_SIZE 32
/**
* @ingroup lavc_encoding
* minimum encoding buffer size
* Used to avoid some checks during header writing.
*/
#define FF_MIN_BUFFER_SIZE 16384
#define AV_INPUT_BUFFER_MIN_SIZE 16384
/**
* @deprecated use AV_INPUT_BUFFER_PADDING_SIZE instead
*/
#define FF_INPUT_BUFFER_PADDING_SIZE 32
/**
* @deprecated use AV_INPUT_BUFFER_MIN_SIZE instead
*/
#define FF_MIN_BUFFER_SIZE 16384
/**
* @ingroup lavc_encoding
@ -1595,7 +1604,7 @@ typedef struct AVCodecContext {
* mjpeg: Huffman tables
* rv10: additional flags
* mpeg4: global headers (they can be in the bitstream or here)
* The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger
* The allocated memory should be AV_INPUT_BUFFER_PADDING_SIZE bytes larger
* than extradata_size to avoid problems if it is read with the bitstream reader.
* The bytewise contents of extradata must not depend on the architecture or CPU endianness.
* - encoding: Set/allocated/freed by libavcodec.
@ -4062,7 +4071,7 @@ int av_grow_packet(AVPacket *pkt, int grow_by);
* function returns successfully, the data is owned by the underlying AVBuffer.
* The caller may not access the data through other means.
* @param size size of data in bytes, without the padding. I.e. the full buffer
* size is assumed to be size + FF_INPUT_BUFFER_PADDING_SIZE.
* size is assumed to be size + AV_INPUT_BUFFER_PADDING_SIZE.
*
* @return 0 on success, a negative AVERROR on error
*/
@ -4399,7 +4408,7 @@ attribute_deprecated int avcodec_decode_audio3(AVCodecContext *avctx, int16_t *s
* returning samples. It is safe to flush even those decoders that are not
* marked with AV_CODEC_CAP_DELAY, then no samples will be returned.
*
* @warning The input buffer, avpkt->data must be FF_INPUT_BUFFER_PADDING_SIZE
* @warning The input buffer, avpkt->data must be AV_INPUT_BUFFER_PADDING_SIZE
* larger than the actual read bytes because some optimized bitstream
* readers read 32 or 64 bits at once and could read over the end.
*
@ -4439,7 +4448,7 @@ int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame,
* Some decoders may support multiple frames in a single AVPacket, such
* decoders would then just decode the first frame.
*
* @warning The input buffer must be FF_INPUT_BUFFER_PADDING_SIZE larger than
* @warning The input buffer must be AV_INPUT_BUFFER_PADDING_SIZE larger than
* the actual read bytes because some optimized bitstream readers read 32 or 64
* bits at once and could read over the end.
*
@ -5447,7 +5456,7 @@ AVBitStreamFilter *av_bitstream_filter_next(const AVBitStreamFilter *f);
/**
* Same behaviour av_fast_malloc but the buffer has additional
* FF_INPUT_BUFFER_PADDING_SIZE at the end which will always be 0.
* AV_INPUT_BUFFER_PADDING_SIZE at the end which will always be 0.
*
* In addition the whole buffer will initially and after resizes
* be 0-initialized so that no uninitialized data will ever appear.

38
libavcodec/avpacket.c
View File

@ -68,14 +68,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
static int packet_alloc(AVBufferRef **buf, int size)
{
int ret;
if ((unsigned)size >= (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE)
if ((unsigned)size >= (unsigned)size + AV_INPUT_BUFFER_PADDING_SIZE)
return AVERROR(EINVAL);
ret = av_buffer_realloc(buf, size + FF_INPUT_BUFFER_PADDING_SIZE);
ret = av_buffer_realloc(buf, size + AV_INPUT_BUFFER_PADDING_SIZE);
if (ret < 0)
return ret;
memset((*buf)->data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset((*buf)->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
return 0;
}
@ -105,20 +105,20 @@ void av_shrink_packet(AVPacket *pkt, int size)
if (pkt->size <= size)
return;
pkt->size = size;
memset(pkt->data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(pkt->data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
}
int av_grow_packet(AVPacket *pkt, int grow_by)
{
int new_size;
av_assert0((unsigned)pkt->size <= INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE);
av_assert0((unsigned)pkt->size <= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
if (!pkt->size)
return av_new_packet(pkt, grow_by);
if ((unsigned)grow_by >
INT_MAX - (pkt->size + FF_INPUT_BUFFER_PADDING_SIZE))
INT_MAX - (pkt->size + AV_INPUT_BUFFER_PADDING_SIZE))
return -1;
new_size = pkt->size + grow_by + FF_INPUT_BUFFER_PADDING_SIZE;
new_size = pkt->size + grow_by + AV_INPUT_BUFFER_PADDING_SIZE;
if (pkt->buf) {
int ret = av_buffer_realloc(&pkt->buf, new_size);
if (ret < 0)
@ -136,17 +136,17 @@ FF_ENABLE_DEPRECATION_WARNINGS
}
pkt->data = pkt->buf->data;
pkt->size += grow_by;
memset(pkt->data + pkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
return 0;
}
int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size)
{
if (size >= INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
if (size >= INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
return AVERROR(EINVAL);
pkt->buf = av_buffer_create(data, size + FF_INPUT_BUFFER_PADDING_SIZE,
pkt->buf = av_buffer_create(data, size + AV_INPUT_BUFFER_PADDING_SIZE,
av_buffer_default_free, NULL, 0);
if (!pkt->buf)
return AVERROR(ENOMEM);
@ -174,9 +174,9 @@ do { \
void *data; \
if (padding) { \
if ((unsigned)(size) > \
(unsigned)(size) + FF_INPUT_BUFFER_PADDING_SIZE) \
(unsigned)(size) + AV_INPUT_BUFFER_PADDING_SIZE) \
goto failed_alloc; \
ALLOC(data, size + FF_INPUT_BUFFER_PADDING_SIZE); \
ALLOC(data, size + AV_INPUT_BUFFER_PADDING_SIZE); \
} else { \
ALLOC(data, size); \
} \
@ -185,7 +185,7 @@ do { \
memcpy(data, src, size); \
if (padding) \
memset((uint8_t *)data + size, 0, \
FF_INPUT_BUFFER_PADDING_SIZE); \
AV_INPUT_BUFFER_PADDING_SIZE); \
dst = data; \
} while (0)
@ -303,7 +303,7 @@ uint8_t *av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
if ((unsigned)elems + 1 > INT_MAX / sizeof(*pkt->side_data))
return NULL;
if ((unsigned)size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
if ((unsigned)size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
return NULL;
pkt->side_data = av_realloc(pkt->side_data,
@ -311,7 +311,7 @@ uint8_t *av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
if (!pkt->side_data)
return NULL;
pkt->side_data[elems].data = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
pkt->side_data[elems].data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!pkt->side_data[elems].data)
return NULL;
pkt->side_data[elems].size = size;
@ -366,7 +366,7 @@ int av_packet_merge_side_data(AVPacket *pkt){
AVBufferRef *buf;
int i;
uint8_t *p;
uint64_t size= pkt->size + 8LL + FF_INPUT_BUFFER_PADDING_SIZE;
uint64_t size= pkt->size + 8LL + AV_INPUT_BUFFER_PADDING_SIZE;
AVPacket old= *pkt;
for (i=0; i<old.side_data_elems; i++) {
size += old.side_data[i].size + 5LL;
@ -383,7 +383,7 @@ FF_DISABLE_DEPRECATION_WARNINGS
pkt->destruct = dummy_destruct_packet;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
pkt->size = size - FF_INPUT_BUFFER_PADDING_SIZE;
pkt->size = size - AV_INPUT_BUFFER_PADDING_SIZE;
bytestream_put_buffer(&p, old.data, old.size);
for (i=old.side_data_elems-1; i>=0; i--) {
bytestream_put_buffer(&p, old.side_data[i].data, old.side_data[i].size);
@ -392,7 +392,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
}
bytestream_put_be64(&p, FF_MERGE_MARKER);
av_assert0(p-pkt->data == pkt->size);
memset(p, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(p, 0, AV_INPUT_BUFFER_PADDING_SIZE);
av_free_packet(&old);
pkt->side_data_elems = 0;
pkt->side_data = NULL;
@ -425,7 +425,7 @@ int av_packet_split_side_data(AVPacket *pkt){
for (i=0; ; i++){
size= AV_RB32(p);
av_assert0(size<=INT_MAX && p - pkt->data >= size);
pkt->side_data[i].data = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
pkt->side_data[i].data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
pkt->side_data[i].size = size;
pkt->side_data[i].type = p[4]&127;
if (!pkt->side_data[i].data)

2
libavcodec/avuienc.c
View File

@ -30,7 +30,7 @@ static av_cold int avui_encode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Only 720x486 and 720x576 are supported.\n");
return AVERROR(EINVAL);
}
if (!(avctx->extradata = av_mallocz(144 + FF_INPUT_BUFFER_PADDING_SIZE)))
if (!(avctx->extradata = av_mallocz(144 + AV_INPUT_BUFFER_PADDING_SIZE)))
return AVERROR(ENOMEM);
avctx->extradata_size = 144;
memcpy(avctx->extradata, "\0\0\0\x18""APRGAPRG0001", 16);

4
libavcodec/binkaudio.c
View File

@ -302,10 +302,10 @@ static int decode_frame(AVCodecContext *avctx, void *data,
av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
return AVERROR_INVALIDDATA;
}
buf = av_realloc(s->packet_buffer, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
buf = av_realloc(s->packet_buffer, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!buf)
return AVERROR(ENOMEM);
memset(buf + avpkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(buf + avpkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
s->packet_buffer = buf;
memcpy(s->packet_buffer, avpkt->data, avpkt->size);
if ((ret = init_get_bits8(gb, s->packet_buffer, avpkt->size)) < 0)

2
libavcodec/cdxl.c
View File

@ -272,7 +272,7 @@ static int cdxl_decode_frame(AVCodecContext *avctx, void *data,
if (encoding) {
av_fast_padded_malloc(&c->new_video, &c->new_video_size,
h * w + FF_INPUT_BUFFER_PADDING_SIZE);
h * w + AV_INPUT_BUFFER_PADDING_SIZE);
if (!c->new_video)
return AVERROR(ENOMEM);
if (c->bpp == 8)

4
libavcodec/cook.c
View File

@ -1232,11 +1232,11 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
/* Pad the databuffer with:
DECODE_BYTES_PAD1 or DECODE_BYTES_PAD2 for decode_bytes(),
FF_INPUT_BUFFER_PADDING_SIZE, for the bitstreamreader. */
AV_INPUT_BUFFER_PADDING_SIZE, for the bitstreamreader. */
q->decoded_bytes_buffer =
av_mallocz(avctx->block_align
+ DECODE_BYTES_PAD1(avctx->block_align)
+ FF_INPUT_BUFFER_PADDING_SIZE);
+ AV_INPUT_BUFFER_PADDING_SIZE);
if (!q->decoded_bytes_buffer)
return AVERROR(ENOMEM);

2
libavcodec/crystalhd.c
View File

@ -422,7 +422,7 @@ static av_cold int init(AVCodecContext *avctx)
int dummy_int;
/* Back up the extradata so it can be restored at close time. */
priv->orig_extradata = av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
priv->orig_extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!priv->orig_extradata) {
av_log(avctx, AV_LOG_ERROR,
"Failed to allocate copy of extradata\n");

2
libavcodec/dca_parser.c
View File

@ -113,7 +113,7 @@ static int dca_parse_params(const uint8_t *buf, int buf_size, int *duration,
int *sample_rate, int *framesize)
{
GetBitContext gb;
uint8_t hdr[12 + FF_INPUT_BUFFER_PADDING_SIZE] = { 0 };
uint8_t hdr[12 + AV_INPUT_BUFFER_PADDING_SIZE] = { 0 };
int ret, sample_blocks, sr_code;
if (buf_size < 12)

2
libavcodec/dss_sp.c
View File

@ -66,7 +66,7 @@ typedef struct DssSpContext {
int pulse_dec_mode;
DECLARE_ALIGNED(16, uint8_t, bits)[DSS_SP_FRAME_SIZE +
FF_INPUT_BUFFER_PADDING_SIZE];
AV_INPUT_BUFFER_PADDING_SIZE];
} DssSpContext;
/*

4
libavcodec/dump_extradata_bsf.c
View File

@ -36,12 +36,12 @@ static int dump_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx,
/*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
int size= buf_size + avctx->extradata_size;
*poutbuf_size= size;
*poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
*poutbuf= av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!*poutbuf)
return AVERROR(ENOMEM);
memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
return 1;
}
}

4
libavcodec/dvdec.c
View File

@ -287,8 +287,8 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
GetBitContext gb;
BlockInfo mb_data[5 * DV_MAX_BPM], *mb, *mb1;
LOCAL_ALIGNED_16(int16_t, sblock, [5 * DV_MAX_BPM], [64]);
LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [80 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [80 * 5 + FF_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
LOCAL_ALIGNED_16(uint8_t, mb_bit_buffer, [80 + AV_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
LOCAL_ALIGNED_16(uint8_t, vs_bit_buffer, [80 * 5 + AV_INPUT_BUFFER_PADDING_SIZE]); /* allow some slack */
const int log2_blocksize = 3-s->avctx->lowres;
int is_field_mode[5];
int vs_bit_buffer_damaged = 0;

2
libavcodec/eamad.c
View File

@ -312,7 +312,7 @@ static int decode_frame(AVCodecContext *avctx,
return AVERROR(ENOMEM);
s->bbdsp.bswap16_buf(s->bitstream_buf, (const uint16_t *)(buf + bytestream2_tell(&gb)),
bytestream2_get_bytes_left(&gb) / 2);
memset((uint8_t*)s->bitstream_buf + bytestream2_get_bytes_left(&gb), 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset((uint8_t*)s->bitstream_buf + bytestream2_get_bytes_left(&gb), 0, AV_INPUT_BUFFER_PADDING_SIZE);
init_get_bits(&s->gb, s->bitstream_buf, 8*(bytestream2_get_bytes_left(&gb)));
for (s->mb_y=0; s->mb_y < (avctx->height+15)/16; s->mb_y++)

6
libavcodec/ffv1enc.c
View File

@ -550,7 +550,7 @@ static int write_extradata(FFV1Context *f)
f->avctx->extradata_size = 10000 + 4 +
(11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32;
f->avctx->extradata = av_malloc(f->avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
f->avctx->extradata = av_malloc(f->avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!f->avctx->extradata)
return AVERROR(ENOMEM);
ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size);
@ -1197,7 +1197,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
uint8_t keystate = 128;
uint8_t *buf_p;
int i, ret;
int64_t maxsize = FF_MIN_BUFFER_SIZE
int64_t maxsize = AV_INPUT_BUFFER_MIN_SIZE
+ avctx->width*avctx->height*35LL*4;
if(!pict) {
@ -1246,7 +1246,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
}
if (f->version > 3)
maxsize = FF_MIN_BUFFER_SIZE + avctx->width*avctx->height*3LL*4;
maxsize = AV_INPUT_BUFFER_MIN_SIZE + avctx->width*avctx->height*3LL*4;
if ((ret = ff_alloc_packet2(avctx, pkt, maxsize, 0)) < 0)
return ret;

2
libavcodec/flashsv2enc.c
View File

@ -854,7 +854,7 @@ static int flashsv2_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int res;
int keyframe = 0;
if ((res = ff_alloc_packet2(avctx, pkt, s->frame_size + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((res = ff_alloc_packet2(avctx, pkt, s->frame_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return res;
/* First frame needs to be a keyframe */

2
libavcodec/flicvideo.c
View File

@ -193,7 +193,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
pixels = s->frame->data[0];
pixel_limit = s->avctx->height * s->frame->linesize[0];
if (buf_size < 16 || buf_size > INT_MAX - (3 * 256 + FF_INPUT_BUFFER_PADDING_SIZE))
if (buf_size < 16 || buf_size > INT_MAX - (3 * 256 + AV_INPUT_BUFFER_PADDING_SIZE))
return AVERROR_INVALIDDATA;
frame_size = bytestream2_get_le32(&g2);
if (frame_size > buf_size)

6
libavcodec/g2meet.c
View File

@ -294,10 +294,10 @@ static int jpg_decode_data(JPGContext *c, int width, int height,
const int ridx = swapuv ? 2 : 0;
if ((ret = av_reallocp(&c->buf,
src_size + FF_INPUT_BUFFER_PADDING_SIZE)) < 0)
src_size + AV_INPUT_BUFFER_PADDING_SIZE)) < 0)
return ret;
jpg_unescape(src, src_size, c->buf, &unesc_size);
memset(c->buf + unesc_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(c->buf + unesc_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
if((ret = init_get_bits8(&gb, c->buf, unesc_size)) < 0)
return ret;
@ -1185,7 +1185,7 @@ static int g2m_init_buffers(G2MContext *c)
c->synth_tile = av_mallocz(c->tile_stride * aligned_height);
c->jpeg_tile = av_mallocz(c->tile_stride * aligned_height);
c->kempf_buf = av_mallocz((c->tile_width + 1) * aligned_height +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
c->kempf_flags = av_mallocz(c->tile_width * aligned_height);
if (!c->synth_tile || !c->jpeg_tile ||
!c->kempf_buf || !c->kempf_flags)

4
libavcodec/get_bits.h
View File

@ -401,7 +401,7 @@ static inline int check_marker(GetBitContext *s, const char *msg)
/**
* Initialize GetBitContext.
* @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes
* @param buffer bitstream buffer, must be AV_INPUT_BUFFER_PADDING_SIZE bytes
* larger than the actual read bits because some optimized bitstream
* readers read 32 or 64 bit at once and could read over the end
* @param bit_size the size of the buffer in bits
@ -432,7 +432,7 @@ static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,
/**
* Initialize GetBitContext.
* @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes
* @param buffer bitstream buffer, must be AV_INPUT_BUFFER_PADDING_SIZE bytes
* larger than the actual read bits because some optimized bitstream
* readers read 32 or 64 bit at once and could read over the end
* @param byte_size the size of the buffer in bytes

2
libavcodec/gif.c
View File

@ -269,7 +269,7 @@ static int gif_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const uint32_t *palette = NULL;
int ret;
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*7/5 + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*7/5 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
outbuf_ptr = pkt->data;
end = pkt->data + pkt->size;

2
libavcodec/h264.c
View File

@ -324,7 +324,7 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, H264SliceContext *sl,
dst[di++] = src[si++];
nsc:
memset(dst + di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(dst + di, 0, AV_INPUT_BUFFER_PADDING_SIZE);
*dst_length = di;
*consumed = si + 1; // +1 for the header

4
libavcodec/h264_mp4toannexb_bsf.c
View File

@ -57,7 +57,7 @@ static int alloc_and_copy(uint8_t **poutbuf, int *poutbuf_size,
*poutbuf_size += sps_pps_size + in_size + nal_header_size;
if ((err = av_reallocp(poutbuf,
*poutbuf_size + FF_INPUT_BUFFER_PADDING_SIZE)) < 0) {
*poutbuf_size + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
*poutbuf_size = 0;
return err;
}
@ -178,7 +178,7 @@ static int h264_mp4toannexb_filter(AVBitStreamFilterContext *bsfc,
if (args && strstr(args, "private_spspps_buf"))
ctx->private_spspps = 1;
ret = h264_extradata_to_annexb(ctx, avctx, FF_INPUT_BUFFER_PADDING_SIZE);
ret = h264_extradata_to_annexb(ctx, avctx, AV_INPUT_BUFFER_PADDING_SIZE);
if (ret < 0)
return ret;
ctx->length_size = ret;

4
libavcodec/hevc_filter.c
View File

@ -349,8 +349,8 @@ static void sao_filter_CTB(HEVCContext *s, int x, int y)
int sh = s->ps.sps->pixel_shift;
int left_pixels, right_pixels;
stride_dst = 2*MAX_PB_SIZE + FF_INPUT_BUFFER_PADDING_SIZE;
dst = lc->edge_emu_buffer + stride_dst + FF_INPUT_BUFFER_PADDING_SIZE;
stride_dst = 2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE;
dst = lc->edge_emu_buffer + stride_dst + AV_INPUT_BUFFER_PADDING_SIZE;
if (!top_edge) {
int left = 1 - left_edge;

6
libavcodec/hevc_mp4toannexb_bsf.c
View File

@ -67,18 +67,18 @@ static int hevc_extradata_to_annexb(AVCodecContext *avctx)
for (j = 0; j < cnt; j++) {
int nalu_len = bytestream2_get_be16(&gb);
if (4 + FF_INPUT_BUFFER_PADDING_SIZE + nalu_len > SIZE_MAX - new_extradata_size) {
if (4 + AV_INPUT_BUFFER_PADDING_SIZE + nalu_len > SIZE_MAX - new_extradata_size) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
ret = av_reallocp(&new_extradata, new_extradata_size + nalu_len + 4 + FF_INPUT_BUFFER_PADDING_SIZE);
ret = av_reallocp(&new_extradata, new_extradata_size + nalu_len + 4 + AV_INPUT_BUFFER_PADDING_SIZE);
if (ret < 0)
goto fail;
AV_WB32(new_extradata + new_extradata_size, 1); // add the startcode
bytestream2_get_buffer(&gb, new_extradata + new_extradata_size + 4, nalu_len);
new_extradata_size += 4 + nalu_len;
memset(new_extradata + new_extradata_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(new_extradata + new_extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
}
}

4
libavcodec/hevc_parse.c
View File

@ -91,7 +91,7 @@ int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length,
}
av_fast_malloc(&nal->rbsp_buffer, &nal->rbsp_buffer_size,
length + FF_INPUT_BUFFER_PADDING_SIZE);
length + AV_INPUT_BUFFER_PADDING_SIZE);
if (!nal->rbsp_buffer)
return AVERROR(ENOMEM);
@ -137,7 +137,7 @@ int ff_hevc_extract_rbsp(HEVCContext *s, const uint8_t *src, int length,
dst[di++] = src[si++];
nsc:
memset(dst + di, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(dst + di, 0, AV_INPUT_BUFFER_PADDING_SIZE);
nal->data = dst;
nal->size = di;

2
libavcodec/hevcdsp.h
View File

@ -61,7 +61,7 @@ typedef struct HEVCDSPContext {
void (*sao_band_filter[5])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
int16_t *sao_offset_val, int sao_left_class, int width, int height);
/* implicit stride_src parameter has value of 2 * MAX_PB_SIZE + FF_INPUT_BUFFER_PADDING_SIZE */
/* implicit stride_src parameter has value of 2 * MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE */
void (*sao_edge_filter[5])(uint8_t *_dst /* align 16 */, uint8_t *_src /* align 32 */, ptrdiff_t stride_dst,
int16_t *sao_offset_val, int sao_eo_class, int width, int height);

2
libavcodec/hevcdsp_template.c
View File

@ -341,7 +341,7 @@ static void FUNC(sao_edge_filter)(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride
pixel *src = (pixel *)_src;
int a_stride, b_stride;
int x, y;
ptrdiff_t stride_src = (2*MAX_PB_SIZE + FF_INPUT_BUFFER_PADDING_SIZE) / sizeof(pixel);
ptrdiff_t stride_src = (2*MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) / sizeof(pixel);
stride_dst /= sizeof(pixel);
a_stride = pos[eo][0][0] + pos[eo][0][1] * stride_src;

4
libavcodec/huffyuvdec.c
View File

@ -41,7 +41,7 @@
#include "libavutil/pixdesc.h"
#define classic_shift_luma_table_size 42
static const unsigned char classic_shift_luma[classic_shift_luma_table_size + FF_INPUT_BUFFER_PADDING_SIZE] = {
static const unsigned char classic_shift_luma[classic_shift_luma_table_size + AV_INPUT_BUFFER_PADDING_SIZE] = {
34, 36, 35, 69, 135, 232, 9, 16, 10, 24, 11, 23, 12, 16, 13, 10,
14, 8, 15, 8, 16, 8, 17, 20, 16, 10, 207, 206, 205, 236, 11, 8,
10, 21, 9, 23, 8, 8, 199, 70, 69, 68, 0,
@ -49,7 +49,7 @@ static const unsigned char classic_shift_luma[classic_shift_luma_table_size + FF
};
#define classic_shift_chroma_table_size 59
static const unsigned char classic_shift_chroma[classic_shift_chroma_table_size + FF_INPUT_BUFFER_PADDING_SIZE] = {
static const unsigned char classic_shift_chroma[classic_shift_chroma_table_size + AV_INPUT_BUFFER_PADDING_SIZE] = {
66, 36, 37, 38, 39, 40, 41, 75, 76, 77, 110, 239, 144, 81, 82, 83,
84, 85, 118, 183, 56, 57, 88, 89, 56, 89, 154, 57, 58, 57, 26, 141,
57, 56, 58, 57, 58, 57, 184, 119, 214, 245, 116, 83, 82, 49, 80, 79,

2
libavcodec/huffyuvenc.c
View File

@ -760,7 +760,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame * const p = pict;
int i, j, size = 0, ret;
if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, width * height * 3 * 4 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
if (s->context) {

10
libavcodec/iff.c
View File

@ -240,7 +240,7 @@ static int extract_header(AVCodecContext *const avctx,
avctx->pix_fmt = AV_PIX_FMT_RGB32;
av_freep(&s->mask_buf);
av_freep(&s->mask_palbuf);
s->mask_buf = av_malloc((s->planesize * 32) + FF_INPUT_BUFFER_PADDING_SIZE);
s->mask_buf = av_malloc((s->planesize * 32) + AV_INPUT_BUFFER_PADDING_SIZE);
if (!s->mask_buf)
return AVERROR(ENOMEM);
if (s->bpp > 16) {
@ -248,7 +248,7 @@ static int extract_header(AVCodecContext *const avctx,
av_freep(&s->mask_buf);
return AVERROR(ENOMEM);
}
s->mask_palbuf = av_malloc((2 << s->bpp) * sizeof(uint32_t) + FF_INPUT_BUFFER_PADDING_SIZE);
s->mask_palbuf = av_malloc((2 << s->bpp) * sizeof(uint32_t) + AV_INPUT_BUFFER_PADDING_SIZE);
if (!s->mask_palbuf) {
av_freep(&s->mask_buf);
return AVERROR(ENOMEM);
@ -275,12 +275,12 @@ static int extract_header(AVCodecContext *const avctx,
int ham_count;
const uint8_t *const palette = avctx->extradata + AV_RB16(avctx->extradata);
s->ham_buf = av_malloc((s->planesize * 8) + FF_INPUT_BUFFER_PADDING_SIZE);
s->ham_buf = av_malloc((s->planesize * 8) + AV_INPUT_BUFFER_PADDING_SIZE);
if (!s->ham_buf)
return AVERROR(ENOMEM);
ham_count = 8 * (1 << s->ham);
s->ham_palbuf = av_malloc((ham_count << !!(s->masking == MASK_HAS_MASK)) * sizeof (uint32_t) + FF_INPUT_BUFFER_PADDING_SIZE);
s->ham_palbuf = av_malloc((ham_count << !!(s->masking == MASK_HAS_MASK)) * sizeof (uint32_t) + AV_INPUT_BUFFER_PADDING_SIZE);
if (!s->ham_palbuf) {
av_freep(&s->ham_buf);
return AVERROR(ENOMEM);
@ -366,7 +366,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
if ((err = av_image_check_size(avctx->width, avctx->height, 0, avctx)))
return err;
s->planesize = FFALIGN(avctx->width, 16) >> 3; // Align plane size in bits to word-boundary
s->planebuf = av_malloc(s->planesize + FF_INPUT_BUFFER_PADDING_SIZE);
s->planebuf = av_malloc(s->planesize + AV_INPUT_BUFFER_PADDING_SIZE);
if (!s->planebuf)
return AVERROR(ENOMEM);

2
libavcodec/imc.c
View File

@ -1021,7 +1021,7 @@ static int imc_decode_frame(AVCodecContext *avctx, void *data,
IMCContext *q = avctx->priv_data;
LOCAL_ALIGNED_16(uint16_t, buf16, [(IMC_BLOCK_SIZE + FF_INPUT_BUFFER_PADDING_SIZE) / 2]);
LOCAL_ALIGNED_16(uint16_t, buf16, [(IMC_BLOCK_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) / 2]);
if (buf_size < IMC_BLOCK_SIZE * avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "frame too small!\n");

2
libavcodec/imx_dump_header_bsf.c
View File

@ -42,7 +42,7 @@ static int imx_dump_header(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx
return 0;
}
*poutbuf = av_malloc(buf_size + 20 + FF_INPUT_BUFFER_PADDING_SIZE);
*poutbuf = av_malloc(buf_size + 20 + AV_INPUT_BUFFER_PADDING_SIZE);
if (!*poutbuf)
return AVERROR(ENOMEM);
poutbufp = *poutbuf;

2
libavcodec/internal.h
View File

@ -200,7 +200,7 @@ int avpriv_unlock_avformat(void);
* This value was chosen such that every bit of the buffer is
* addressable by a 32-bit signed integer as used by get_bits.
*/
#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - AV_INPUT_BUFFER_PADDING_SIZE)
/**
* Check AVPacket size and/or allocate data.

2
libavcodec/j2kenc.c
View File

@ -955,7 +955,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
Jpeg2000EncoderContext *s = avctx->priv_data;
uint8_t *chunkstart, *jp2cstart, *jp2hstart;
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*9 + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*9 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
// init:

4
libavcodec/jpeg2000.c
View File

@ -215,13 +215,13 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
(comp->coord[1][1] - comp->coord[1][0]);
if (codsty->transform == FF_DWT97) {
csize += FF_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->f_data);
csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->f_data);
comp->i_data = NULL;
comp->f_data = av_mallocz_array(csize, sizeof(*comp->f_data));
if (!comp->f_data)
return AVERROR(ENOMEM);
} else {
csize += FF_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->i_data);
csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->i_data);
comp->f_data = NULL;
comp->i_data = av_mallocz_array(csize, sizeof(*comp->i_data));
if (!comp->i_data)

2
libavcodec/jpeglsenc.c
View File

@ -269,7 +269,7 @@ static int encode_picture_ls(AVCodecContext *avctx, AVPacket *pkt,
comps = 3;
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width *avctx->height * comps * 4 +
FF_MIN_BUFFER_SIZE, 0)) < 0)
AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
buf2 = av_malloc(pkt->size);

2
libavcodec/lclenc.c
View File

@ -131,7 +131,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
av_assert0(avctx->width && avctx->height);
avctx->extradata = av_mallocz(8 + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_mallocz(8 + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);

2
libavcodec/libaacplus.c
View File

@ -81,7 +81,7 @@ static av_cold int aacPlus_encode_init(AVCodecContext *avctx)
if (aacplusEncGetDecoderSpecificInfo(s->aacplus_handle, &buffer,
&decoder_specific_info_size) == 1) {
avctx->extradata = av_malloc(decoder_specific_info_size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_malloc(decoder_specific_info_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
free(buffer);
return AVERROR(ENOMEM);

2
libavcodec/libdcadec.c
View File

@ -56,7 +56,7 @@ static int dcadec_decode_frame(AVCodecContext *avctx, void *data,
}
mrk = AV_RB32(input);
if (mrk != DCA_SYNCWORD_CORE_BE && mrk != DCA_SYNCWORD_SUBSTREAM) {
s->buffer = av_fast_realloc(s->buffer, &s->buffer_size, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
s->buffer = av_fast_realloc(s->buffer, &s->buffer_size, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!s->buffer)
return AVERROR(ENOMEM);

2
libavcodec/libfaac.c
View File

@ -138,7 +138,7 @@ static av_cold int Faac_encode_init(AVCodecContext *avctx)
if (!faacEncGetDecoderSpecificInfo(s->faac_handle, &buffer,
&decoder_specific_info_size)) {
avctx->extradata = av_malloc(decoder_specific_info_size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_malloc(decoder_specific_info_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
ret = AVERROR(ENOMEM);
goto error;

2
libavcodec/libfdk-aacenc.c
View File

@ -292,7 +292,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
avctx->extradata_size = info.confSize;
avctx->extradata = av_mallocz(avctx->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
ret = AVERROR(ENOMEM);
goto error;

2
libavcodec/libopenh264enc.c
View File

@ -143,7 +143,7 @@ static av_cold int svc_encode_init(AVCodecContext *avctx)
(*s->encoder)->EncodeParameterSets(s->encoder, &fbi);
for (i = 0; i < fbi.sLayerInfo[0].iNalCount; i++)
size += fbi.sLayerInfo[0].pNalLengthInByte[i];
avctx->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
err = AVERROR(ENOMEM);
goto fail;

2
libavcodec/libopusenc.c
View File

@ -269,7 +269,7 @@ static av_cold int libopus_encode_init(AVCodecContext *avctx)
}
header_size = 19 + (avctx->channels > 2 ? 2 + avctx->channels : 0);
avctx->extradata = av_malloc(header_size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_malloc(header_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
av_log(avctx, AV_LOG_ERROR, "Failed to allocate extradata.\n");
ret = AVERROR(ENOMEM);

2
libavcodec/libspeexenc.c
View File

@ -245,7 +245,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
header_data = speex_header_to_packet(&s->header, &header_size);
/* allocate extradata */
avctx->extradata = av_malloc(header_size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_malloc(header_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
speex_header_free(header_data);
speex_encoder_destroy(s->enc_state);

2
libavcodec/libstagefright.cpp
View File

@ -272,7 +272,7 @@ static av_cold int Stagefright_init(AVCodecContext *avctx)
s->orig_extradata_size = avctx->extradata_size;
s->orig_extradata = (uint8_t*) av_mallocz(avctx->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!s->orig_extradata) {
ret = AVERROR(ENOMEM);
goto fail;

2
libavcodec/libvo-aacenc.c
View File

@ -105,7 +105,7 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
avctx->extradata_size = 2;
avctx->extradata = av_mallocz(avctx->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
ret = AVERROR(ENOMEM);
goto error;

2
libavcodec/libvorbisenc.c
View File

@ -231,7 +231,7 @@ static av_cold int libvorbis_encode_init(AVCodecContext *avctx)
xiph_len(header_comm.bytes) +
header_code.bytes;
p = avctx->extradata = av_malloc(avctx->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!p) {
ret = AVERROR(ENOMEM);
goto error;

2
libavcodec/libx265.c
View File

@ -225,7 +225,7 @@ static av_cold int libx265_encode_init(AVCodecContext *avctx)
return AVERROR_INVALIDDATA;
}
avctx->extradata = av_malloc(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_malloc(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
av_log(avctx, AV_LOG_ERROR,
"Cannot allocate HEVC header of size %d.\n", avctx->extradata_size);

2
libavcodec/libxavs.c
View File

@ -81,7 +81,7 @@ static int encode_nals(AVCodecContext *ctx, AVPacket *pkt,
{
XavsContext *x4 = ctx->priv_data;
uint8_t *p;
int i, s, ret, size = x4->sei_size + FF_MIN_BUFFER_SIZE;
int i, s, ret, size = x4->sei_size + AV_INPUT_BUFFER_MIN_SIZE;
if (!nnal)
return 0;

2
libavcodec/libxvid.c
View File

@ -716,7 +716,7 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
xvid_enc_frame_t xvid_enc_frame = { 0 };
xvid_enc_stats_t xvid_enc_stats = { 0 };
if ((ret = ff_alloc_packet2(avctx, pkt, mb_width*(int64_t)mb_height*MAX_MB_BYTES + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, mb_width*(int64_t)mb_height*MAX_MB_BYTES + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
/* Start setting up the frame */

2
libavcodec/ljpegenc.c
View File

@ -217,7 +217,7 @@ static int ljpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const int height = avctx->height;
const int mb_width = (width + s->hsample[0] - 1) / s->hsample[0];
const int mb_height = (height + s->vsample[0] - 1) / s->vsample[0];
int max_pkt_size = FF_MIN_BUFFER_SIZE;
int max_pkt_size = AV_INPUT_BUFFER_MIN_SIZE;
int ret, header_bits;
if( avctx->pix_fmt == AV_PIX_FMT_BGR0

2
libavcodec/mjpega_dump_header_bsf.c
View File

@ -44,7 +44,7 @@ static int mjpega_dump_header(AVBitStreamFilterContext *bsfc, AVCodecContext *av
}
*poutbuf_size = 0;
*poutbuf = av_malloc(buf_size + 44 + FF_INPUT_BUFFER_PADDING_SIZE);
*poutbuf = av_malloc(buf_size + 44 + AV_INPUT_BUFFER_PADDING_SIZE);
if (!*poutbuf)
return AVERROR(ENOMEM);
poutbufp = *poutbuf;

4
libavcodec/mjpegdec.c
View File

@ -1905,7 +1905,7 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s,
*unescaped_buf_ptr = s->buffer;
*unescaped_buf_size = dst - s->buffer;
memset(s->buffer + *unescaped_buf_size, 0,
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
av_log(s->avctx, AV_LOG_DEBUG, "escaping removed %"PTRDIFF_SPECIFIER" bytes\n",
(buf_end - *buf_ptr) - (dst - s->buffer));
@ -1950,7 +1950,7 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s,
*unescaped_buf_ptr = dst;
*unescaped_buf_size = (bit_count + 7) >> 3;
memset(s->buffer + *unescaped_buf_size, 0,
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
} else {
*unescaped_buf_ptr = *buf_ptr;
*unescaped_buf_size = buf_end - *buf_ptr;

4
libavcodec/movsub_bsf.c
View File

@ -28,7 +28,7 @@ static int text2movsub(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, co
const uint8_t *buf, int buf_size, int keyframe){
if (buf_size > 0xffff) return 0;
*poutbuf_size = buf_size + 2;
*poutbuf = av_malloc(*poutbuf_size + FF_INPUT_BUFFER_PADDING_SIZE);
*poutbuf = av_malloc(*poutbuf_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!*poutbuf)
return AVERROR(ENOMEM);
AV_WB16(*poutbuf, buf_size);
@ -46,7 +46,7 @@ static int mov2textsub(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, co
const uint8_t *buf, int buf_size, int keyframe){
if (buf_size < 2) return 0;
*poutbuf_size = FFMIN(buf_size - 2, AV_RB16(buf));
*poutbuf = av_malloc(*poutbuf_size + FF_INPUT_BUFFER_PADDING_SIZE);
*poutbuf = av_malloc(*poutbuf_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!*poutbuf)
return AVERROR(ENOMEM);
memcpy(*poutbuf, buf + 2, *poutbuf_size);

2
libavcodec/movtextenc.c
View File

@ -189,7 +189,7 @@ static av_cold int mov_text_encode_init(AVCodecContext *avctx)
MovTextContext *s = avctx->priv_data;
avctx->extradata_size = sizeof text_sample_entry;
avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);

4
libavcodec/mp3_header_decompress_bsf.c
View File

@ -71,8 +71,8 @@ static int mp3_header_decompress(AVBitStreamFilterContext *bsfc, AVCodecContext
header |= (frame_size == buf_size + 4)<<16; //FIXME actually set a correct crc instead of 0
*poutbuf_size= frame_size;
*poutbuf= av_malloc(frame_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(*poutbuf + frame_size - buf_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
*poutbuf= av_malloc(frame_size + AV_INPUT_BUFFER_PADDING_SIZE);
memcpy(*poutbuf + frame_size - buf_size, buf, buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
if(avctx->channels==2){
uint8_t *p= *poutbuf + frame_size - buf_size;

4
libavcodec/mpeg4_unpack_bframes_bsf.c
View File

@ -73,11 +73,11 @@ static void scan_buffer(const uint8_t *buf, int buf_size,
/* allocate new buffer and copy size bytes from src */
static uint8_t *create_new_buffer(const uint8_t *src, int size) {
uint8_t *dst = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
uint8_t *dst = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (dst) {
memcpy(dst, src, size);
memset(dst + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(dst + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
}
return dst;

4
libavcodec/mpegvideo.c
View File

@ -573,7 +573,7 @@ do {\
if (s1->bitstream_buffer) {
if (s1->bitstream_buffer_size +
FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) {
AV_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) {
av_fast_malloc(&s->bitstream_buffer,
&s->allocated_bitstream_buffer_size,
s1->allocated_bitstream_buffer_size);
@ -586,7 +586,7 @@ do {\
memcpy(s->bitstream_buffer, s1->bitstream_buffer,
s1->bitstream_buffer_size);
memset(s->bitstream_buffer + s->bitstream_buffer_size, 0,
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
}
// linesize dependend scratch buffer allocation

2
libavcodec/mpegvideo_enc.c
View File

@ -1740,7 +1740,7 @@ int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
/* output? */
if (s->new_picture.f->data[0]) {
int growing_buffer = context_count == 1 && !pkt->data && !s->data_partitioning;
int pkt_size = growing_buffer ? FFMAX(s->mb_width*s->mb_height*64+10000, avctx->internal->byte_buffer_size) - FF_INPUT_BUFFER_PADDING_SIZE
int pkt_size = growing_buffer ? FFMAX(s->mb_width*s->mb_height*64+10000, avctx->internal->byte_buffer_size) - AV_INPUT_BUFFER_PADDING_SIZE
:
s->mb_width*s->mb_height*(MAX_MB_BYTES+100)+10000;
if ((ret = ff_alloc_packet2(avctx, pkt, pkt_size, 0)) < 0)

2
libavcodec/mss2.c
View File

@ -477,7 +477,7 @@ static int mss2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
Rectangle wmv9rects[MAX_WMV9_RECTANGLES], *r;
int used_rects = 0, i, implicit_rect = 0, av_uninit(wmv9_mask);
av_assert0(FF_INPUT_BUFFER_PADDING_SIZE >=
av_assert0(AV_INPUT_BUFFER_PADDING_SIZE >=
ARITH2_PADDING + (MIN_CACHE_BITS + 7) / 8);
if ((ret = init_get_bits8(&gb, buf, buf_size)) < 0)

2
libavcodec/msvideo1enc.c
View File

@ -76,7 +76,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int skips = 0;
int quality = 24;
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*9 + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width*avctx->height*9 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
dst= buf= pkt->data;

4
libavcodec/noise_bsf.c
View File

@ -35,11 +35,11 @@ static int noise(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const ch
if(amount <= 0)
return AVERROR(EINVAL);
*poutbuf= av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
*poutbuf= av_malloc(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!*poutbuf)
return AVERROR(ENOMEM);
memcpy(*poutbuf, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
memcpy(*poutbuf, buf, buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
for(i=0; i<buf_size; i++){
(*state) += (*poutbuf)[i] + 1;
if(*state % amount == 0)

8
libavcodec/nuv.c
View File

@ -124,7 +124,7 @@ static int codec_reinit(AVCodecContext *avctx, int width, int height,
if (width != c->width || height != c->height) {
// also reserve space for a possible additional header
int buf_size = height * width * 3 / 2
+ FFMAX(AV_LZO_OUTPUT_PADDING, FF_INPUT_BUFFER_PADDING_SIZE)
+ FFMAX(AV_LZO_OUTPUT_PADDING, AV_INPUT_BUFFER_PADDING_SIZE)
+ RTJPEG_HEADER_SIZE;
if (buf_size > INT_MAX/8)
return -1;
@ -208,15 +208,15 @@ retry:
buf = &buf[12];
buf_size -= 12;
if (comptype == NUV_RTJPEG_IN_LZO || comptype == NUV_LZO) {
int outlen = c->decomp_size - FFMAX(FF_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING);
int outlen = c->decomp_size - FFMAX(AV_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING);
int inlen = buf_size;
if (av_lzo1x_decode(c->decomp_buf, &outlen, buf, &inlen)) {
av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n");
return AVERROR_INVALIDDATA;
}
buf = c->decomp_buf;
buf_size = c->decomp_size - FFMAX(FF_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING) - outlen;
memset(c->decomp_buf + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
buf_size = c->decomp_size - FFMAX(AV_INPUT_BUFFER_PADDING_SIZE, AV_LZO_OUTPUT_PADDING) - outlen;
memset(c->decomp_buf + buf_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
}
if (c->codec_frameheader) {
int w, h, q;

2
libavcodec/nvenc.c
View File

@ -1014,7 +1014,7 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
}
avctx->extradata_size = outSize;
avctx->extradata = av_mallocz(outSize + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata = av_mallocz(outSize + AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
res = AVERROR(ENOMEM);

2
libavcodec/options.c
View File

@ -232,7 +232,7 @@ int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
memset(((uint8_t *) dest->obj) + size, 0, pad); \
}
alloc_and_copy_or_fail(extradata, src->extradata_size,
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
dest->extradata_size = src->extradata_size;
alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0);
alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0);

18
libavcodec/parser.c
View File

@ -134,7 +134,7 @@ int av_parser_parse2(AVCodecParserContext *s, AVCodecContext *avctx,
int64_t pts, int64_t dts, int64_t pos)
{
int index, i;
uint8_t dummy_buf[FF_INPUT_BUFFER_PADDING_SIZE];
uint8_t dummy_buf[AV_INPUT_BUFFER_PADDING_SIZE];
if (!(s->flags & PARSER_FLAG_FETCHED_OFFSET)) {
s->next_frame_offset =
@ -204,13 +204,13 @@ int av_parser_change(AVCodecParserContext *s, AVCodecContext *avctx,
int size = buf_size + avctx->extradata_size;
*poutbuf_size = size;
*poutbuf = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
*poutbuf = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!*poutbuf)
return AVERROR(ENOMEM);
memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
memcpy(*poutbuf + avctx->extradata_size, buf,
buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
return 1;
}
}
@ -252,10 +252,10 @@ int ff_combine_frame(ParseContext *pc, int next,
if (next == END_NOT_FOUND) {
void *new_buffer = av_fast_realloc(pc->buffer, &pc->buffer_size,
*buf_size + pc->index +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!new_buffer) {
av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", *buf_size + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", *buf_size + pc->index + AV_INPUT_BUFFER_PADDING_SIZE);
pc->index = 0;
return AVERROR(ENOMEM);
}
@ -272,17 +272,17 @@ int ff_combine_frame(ParseContext *pc, int next,
if (pc->index) {
void *new_buffer = av_fast_realloc(pc->buffer, &pc->buffer_size,
next + pc->index +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!new_buffer) {
av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
av_log(NULL, AV_LOG_ERROR, "Failed to reallocate parser buffer to %d\n", next + pc->index + AV_INPUT_BUFFER_PADDING_SIZE);
pc->overread_index =
pc->index = 0;
return AVERROR(ENOMEM);
}
pc->buffer = new_buffer;
if (next > -FF_INPUT_BUFFER_PADDING_SIZE)
if (next > -AV_INPUT_BUFFER_PADDING_SIZE)
memcpy(&pc->buffer[pc->index], *buf,
next + FF_INPUT_BUFFER_PADDING_SIZE);
next + AV_INPUT_BUFFER_PADDING_SIZE);
pc->index = 0;
*buf = pc->buffer;
}

2
libavcodec/pcx.c
View File

@ -143,7 +143,7 @@ static int pcx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
ptr = p->data[0];
stride = p->linesize[0];
scanline = av_malloc(bytes_per_scanline + FF_INPUT_BUFFER_PADDING_SIZE);
scanline = av_malloc(bytes_per_scanline + AV_INPUT_BUFFER_PADDING_SIZE);
if (!scanline)
return AVERROR(ENOMEM);

4
libavcodec/pngenc.c
View File

@ -495,7 +495,7 @@ static int encode_png(AVCodecContext *avctx, AVPacket *pkt,
enc_row_size = deflateBound(&s->zstream, (avctx->width * s->bits_per_pixel + 7) >> 3);
max_packet_size =
FF_MIN_BUFFER_SIZE + // headers
AV_INPUT_BUFFER_MIN_SIZE + // headers
avctx->height * (
enc_row_size +
12 * (((int64_t)enc_row_size + IOBUF_SIZE - 1) / IOBUF_SIZE) // IDAT * ceil(enc_row_size / IOBUF_SIZE)
@ -553,7 +553,7 @@ static int encode_apng(AVCodecContext *avctx, AVPacket *pkt,
enc_row_size = deflateBound(&s->zstream, (avctx->width * s->bits_per_pixel + 7) >> 3);
max_packet_size =
FF_MIN_BUFFER_SIZE + // headers
AV_INPUT_BUFFER_MIN_SIZE + // headers
avctx->height * (
enc_row_size +
(4 + 12) * (((int64_t)enc_row_size + IOBUF_SIZE - 1) / IOBUF_SIZE) // fdAT * ceil(enc_row_size / IOBUF_SIZE)

2
libavcodec/pnm_parser.c
View File

@ -55,7 +55,7 @@ retry:
goto retry;
}
#if 0
if (pc->index && pc->index * 2 + FF_INPUT_BUFFER_PADDING_SIZE < pc->buffer_size && buf_size > pc->index) {
if (pc->index && pc->index * 2 + AV_INPUT_BUFFER_PADDING_SIZE < pc->buffer_size && buf_size > pc->index) {
memcpy(pc->buffer + pc->index, buf, pc->index);
pc->index += pc->index;
buf += pc->index;

4
libavcodec/proresenc_anatoliy.c
View File

@ -491,10 +491,10 @@ static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int header_size = 148;
uint8_t *buf;
int pic_size, ret;
int frame_size = FFALIGN(avctx->width, 16) * FFALIGN(avctx->height, 16)*16 + 500 + FF_MIN_BUFFER_SIZE; //FIXME choose tighter limit
int frame_size = FFALIGN(avctx->width, 16) * FFALIGN(avctx->height, 16)*16 + 500 + AV_INPUT_BUFFER_MIN_SIZE; //FIXME choose tighter limit
if ((ret = ff_alloc_packet2(avctx, pkt, frame_size + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, frame_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
buf = pkt->data;

2
libavcodec/proresenc_kostya.c
View File

@ -944,7 +944,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
ctx->pic = pic;
pkt_size = ctx->frame_size_upper_bound;
if ((ret = ff_alloc_packet2(avctx, pkt, pkt_size + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, pkt_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
orig_buf = pkt->data;

4
libavcodec/qsvenc.c
View File

@ -189,7 +189,7 @@ static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
}
avctx->extradata = av_malloc(extradata.SPSBufSize + need_pps * extradata.PPSBufSize +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
@ -197,7 +197,7 @@ static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
if (need_pps)
memcpy(avctx->extradata + extradata.SPSBufSize, pps_buf, extradata.PPSBufSize);
avctx->extradata_size = extradata.SPSBufSize + need_pps * extradata.PPSBufSize;
memset(avctx->extradata + avctx->extradata_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
return 0;
}

2
libavcodec/qsvenc_hevc.c
View File

@ -140,7 +140,7 @@ static int generate_fake_vps(QSVEncContext *q, AVCodecContext *avctx)
}
vps_size = bytestream2_tell_p(&pbc);
new_extradata = av_mallocz(vps_size + avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
new_extradata = av_mallocz(vps_size + avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!new_extradata)
return AVERROR(ENOMEM);
memcpy(new_extradata, vps_buf, vps_size);

4
libavcodec/shorten.c
View File

@ -431,7 +431,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data,
void *tmp_ptr;
s->max_framesize = 8192; // should hopefully be enough for the first header
tmp_ptr = av_fast_realloc(s->bitstream, &s->allocated_bitstream_size,
s->max_framesize + FF_INPUT_BUFFER_PADDING_SIZE);
s->max_framesize + AV_INPUT_BUFFER_PADDING_SIZE);
if (!tmp_ptr) {
av_log(avctx, AV_LOG_ERROR, "error allocating bitstream buffer\n");
return AVERROR(ENOMEM);
@ -445,7 +445,7 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data,
buf_size = FFMIN(buf_size, s->max_framesize - s->bitstream_size);
input_buf_size = buf_size;
if (s->bitstream_index + s->bitstream_size + buf_size + FF_INPUT_BUFFER_PADDING_SIZE >
if (s->bitstream_index + s->bitstream_size + buf_size + AV_INPUT_BUFFER_PADDING_SIZE >
s->allocated_bitstream_size) {
memmove(s->bitstream, &s->bitstream[s->bitstream_index],
s->bitstream_size);

2
libavcodec/snowenc.c
View File

@ -1555,7 +1555,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
uint8_t rc_header_bak[sizeof(s->header_state)];
uint8_t rc_block_bak[sizeof(s->block_state)];
if ((ret = ff_alloc_packet2(avctx, pkt, s->b_width*s->b_height*MB_SIZE*MB_SIZE*3 + FF_MIN_BUFFER_SIZE, 0)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, s->b_width*s->b_height*MB_SIZE*MB_SIZE*3 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
ff_init_range_encoder(c, pkt->data, pkt->size);

2
libavcodec/startcode.c
View File

@ -33,7 +33,7 @@ int ff_startcode_find_candidate_c(const uint8_t *buf, int size)
int i = 0;
#if HAVE_FAST_UNALIGNED
/* we check i < size instead of i + 3 / 7 because it is
* simpler and there must be FF_INPUT_BUFFER_PADDING_SIZE
* simpler and there must be AV_INPUT_BUFFER_PADDING_SIZE
* bytes at the end.
*/
#if HAVE_FAST_64BIT

2
libavcodec/svq1enc.c
View File

@ -589,7 +589,7 @@ static int svq1_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int i, ret;
if ((ret = ff_alloc_packet2(avctx, pkt, s->y_block_width * s->y_block_height *
MAX_MB_BYTES*3 + FF_MIN_BUFFER_SIZE, 0)) < 0)
MAX_MB_BYTES*3 + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
return ret;
if (avctx->pix_fmt != AV_PIX_FMT_YUV410P) {

4
libavcodec/tiff.c
View File

@ -453,7 +453,7 @@ static int tiff_unpack_fax(TiffContext *s, uint8_t *dst, int stride,
int i, ret = 0;
int line;
uint8_t *src2 = av_malloc((unsigned)size +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!src2) {
av_log(s->avctx, AV_LOG_ERROR,
@ -471,7 +471,7 @@ static int tiff_unpack_fax(TiffContext *s, uint8_t *dst, int stride,
for (i = 0; i < size; i++)
src2[i] = ff_reverse[src[i]];
}
memset(src2 + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(src2 + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride,
s->compr, s->fax_opts);
if (s->bpp < 8 && s->avctx->pix_fmt == AV_PIX_FMT_PAL8)

2
libavcodec/tiffenc.c
View File

@ -329,7 +329,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
bytes_per_row = (((s->width - 1) / s->subsampling[0] + 1) * s->bpp *
s->subsampling[0] * s->subsampling[1] + 7) >> 3;
packet_size = avctx->height * bytes_per_row * 2 +
avctx->height * 4 + FF_MIN_BUFFER_SIZE;
avctx->height * 4 + AV_INPUT_BUFFER_MIN_SIZE;
if ((ret = ff_alloc_packet2(avctx, pkt, packet_size, 0)) < 0)
return ret;

28
libavcodec/utils.c
View File

@ -126,25 +126,25 @@ static void *avformat_mutex;
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
{
uint8_t **p = ptr;
if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
av_freep(p);
*size = 0;
return;
}
if (!ff_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))
memset(*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
if (!ff_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE, 1))
memset(*p + min_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
}
void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size)
{
uint8_t **p = ptr;
if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
if (min_size > SIZE_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
av_freep(p);
*size = 0;
return;
}
if (!ff_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE, 1))
memset(*p, 0, min_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!ff_fast_malloc(p, size, min_size + AV_INPUT_BUFFER_PADDING_SIZE, 1))
memset(*p, 0, min_size + AV_INPUT_BUFFER_PADDING_SIZE);
}
/* encoder management */
@ -1783,9 +1783,9 @@ int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64
av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
return AVERROR(EINVAL);
}
if (size < 0 || size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
size, INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE);
size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
return AVERROR(EINVAL);
}
@ -1992,7 +1992,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
if (!ret) {
if (needs_realloc && avpkt->data) {
ret = av_buffer_realloc(&avpkt->buf, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
if (ret >= 0)
avpkt->data = avpkt->buf->data;
}
@ -2118,7 +2118,7 @@ int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf
AVPacket pkt;
int ret, got_packet = 0;
if (buf_size < FF_MIN_BUFFER_SIZE) {
if (buf_size < AV_INPUT_BUFFER_MIN_SIZE) {
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
return -1;
}
@ -2220,7 +2220,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
avpkt->pts = avpkt->dts = frame->pts;
if (needs_realloc && avpkt->data) {
ret = av_buffer_realloc(&avpkt->buf, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
if (ret >= 0)
avpkt->data = avpkt->buf->data;
}
@ -2724,7 +2724,7 @@ static int recode_subtitle(AVCodecContext *avctx,
inb = inpkt->data;
inl = inpkt->size;
if (inl >= INT_MAX / UTF8_MAX_BYTES - FF_INPUT_BUFFER_PADDING_SIZE) {
if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
ret = AVERROR(ENOMEM);
goto end;
@ -2813,7 +2813,7 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
* remaining bytes should have already been filled with zeros by the
* original packet allocation anyway. */
memset(tmp.data + tmp.size, 0,
FFMIN(avpkt->size - tmp.size, FF_INPUT_BUFFER_PADDING_SIZE));
FFMIN(avpkt->size - tmp.size, AV_INPUT_BUFFER_PADDING_SIZE));
}
pkt_recoded = tmp;
@ -3869,7 +3869,7 @@ int avpriv_bprint_to_extradata(AVCodecContext *avctx, struct AVBPrint *buf)
/* Note: the string is NUL terminated (so extradata can be read as a
* string), but the ending character is not accounted in the size (in
* binary formats you are likely not supposed to mux that character). When
* extradata is copied, it is also padded with FF_INPUT_BUFFER_PADDING_SIZE
* extradata is copied, it is also padded with AV_INPUT_BUFFER_PADDING_SIZE
* zeros. */
avctx->extradata_size = buf->len;
return 0;

4
libavcodec/utvideodec.c
View File

@ -143,7 +143,7 @@ static int decode_plane(UtvideoContext *c, int plane_no,
memcpy(c->slice_bits, src + slice_data_start + c->slices * 4,
slice_size);
memset(c->slice_bits + slice_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
c->bdsp.bswap_buf((uint32_t *) c->slice_bits,
(uint32_t *) c->slice_bits,
(slice_data_end - slice_data_start + 3) >> 2);
@ -385,7 +385,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
}
av_fast_malloc(&c->slice_bits, &c->slice_bits_size,
max_slice_size + FF_INPUT_BUFFER_PADDING_SIZE);
max_slice_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!c->slice_bits) {
av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n");

4
libavcodec/utvideoenc.c
View File

@ -157,7 +157,7 @@ static av_cold int utvideo_encode_init(AVCodecContext *avctx)
avctx->extradata_size = 16;
avctx->extradata = av_mallocz(avctx->extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata) {
av_log(avctx, AV_LOG_ERROR, "Could not allocate extradata.\n");
@ -167,7 +167,7 @@ static av_cold int utvideo_encode_init(AVCodecContext *avctx)
for (i = 0; i < c->planes; i++) {
c->slice_buffer[i] = av_malloc(c->slice_stride * (avctx->height + 2) +
FF_INPUT_BUFFER_PADDING_SIZE);
AV_INPUT_BUFFER_PADDING_SIZE);
if (!c->slice_buffer[i]) {
av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer 1.\n");
utvideo_encode_close(avctx);

10
libavcodec/vc1dec.c
View File

@ -486,7 +486,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
return -1;
}
buf2 = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
buf2 = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!buf2)
return AVERROR(ENOMEM);
@ -657,7 +657,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
//for advanced profile we may need to parse and unescape data
if (avctx->codec_id == AV_CODEC_ID_VC1 || avctx->codec_id == AV_CODEC_ID_VC1IMAGE) {
int buf_size2 = 0;
buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
buf2 = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!buf2)
return AVERROR(ENOMEM);
@ -686,7 +686,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
if (!tmp)
goto err;
slices = tmp;
slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
slices[n_slices].buf = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!slices[n_slices].buf)
goto err;
buf_size3 = vc1_unescape_buffer(start + 4, size,
@ -711,7 +711,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
if (!tmp)
goto err;
slices = tmp;
slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
slices[n_slices].buf = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!slices[n_slices].buf)
goto err;
buf_size3 = vc1_unescape_buffer(start + 4, size,
@ -740,7 +740,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
if (!tmp)
goto err;
slices = tmp;
slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
slices[n_slices].buf = av_mallocz(buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!slices[n_slices].buf)
goto err;
buf_size3 = vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, slices[n_slices].buf);

2
libavcodec/wavpack.c
View File

@ -299,7 +299,7 @@ static float wv_get_value_float(WavpackFrameContext *s, uint32_t *crc, int S)
const int max_bits = 1 + 23 + 8 + 1;
const int left_bits = get_bits_left(&s->gb_extra_bits);
if (left_bits + 8 * FF_INPUT_BUFFER_PADDING_SIZE < max_bits)
if (left_bits + 8 * AV_INPUT_BUFFER_PADDING_SIZE < max_bits)
return 0.0;
}

2
libavcodec/wma.h
View File

@ -120,7 +120,7 @@ typedef struct WMACodecContext {
/* output buffer for one frame and the last for IMDCT windowing */
DECLARE_ALIGNED(32, float, frame_out)[MAX_CHANNELS][BLOCK_MAX_SIZE * 2];
/* last frame info */
uint8_t last_superframe[MAX_CODED_SUPERFRAME_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; /* padding added */
uint8_t last_superframe[MAX_CODED_SUPERFRAME_SIZE + AV_INPUT_BUFFER_PADDING_SIZE]; /* padding added */
int last_bitoffset;
int last_superframe_len;
float noise_table[NOISE_TAB_SIZE];

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