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Merge commit 'c10da30d8426a1f681d99a780b6e311f7fb4e5c5'

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* commit 'c10da30d8426a1f681d99a780b6e311f7fb4e5c5':
  shorten: set invalid channels count to 0
  vorbisdec: check memory allocations
  h264: check for luma and chroma bit dept being equal

Conflicts:
	libavcodec/shorten.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-03-06 23:27:09 +01:00
commit be493ca2a8
2 changed files with 42 additions and 8 deletions
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6
libavcodec/h264.c
View File

@ -2865,6 +2865,12 @@ static int h264_set_parameter_from_sps(H264Context *h)
if (h->avctx->has_b_frames < 2)
h->avctx->has_b_frames = !h->low_delay;
if (h->sps.bit_depth_luma != h->sps.bit_depth_chroma) {
av_log_missing_feature(h->avctx,
"Different bit depth between chroma and luma", 1);
return AVERROR_PATCHWELCOME;
}
if (h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
h->cur_chroma_format_idc != h->sps.chroma_format_idc) {
if (h->avctx->codec &&

44
libavcodec/vorbisdec.c
View File

@ -239,10 +239,10 @@ static void vorbis_free(vorbis_context *vc)
static int vorbis_parse_setup_hdr_codebooks(vorbis_context *vc)
{
unsigned cb;
uint8_t *tmp_vlc_bits;
uint32_t *tmp_vlc_codes;
uint8_t *tmp_vlc_bits = NULL;
uint32_t *tmp_vlc_codes = NULL;
GetBitContext *gb = &vc->gb;
uint16_t *codebook_multiplicands;
uint16_t *codebook_multiplicands = NULL;
int ret = 0;
vc->codebook_count = get_bits(gb, 8) + 1;
@ -253,6 +253,11 @@ static int vorbis_parse_setup_hdr_codebooks(vorbis_context *vc)
tmp_vlc_bits = av_mallocz(V_MAX_VLCS * sizeof(*tmp_vlc_bits));
tmp_vlc_codes = av_mallocz(V_MAX_VLCS * sizeof(*tmp_vlc_codes));
codebook_multiplicands = av_malloc(V_MAX_VLCS * sizeof(*codebook_multiplicands));
if (!vc->codebooks ||
!tmp_vlc_bits || !tmp_vlc_codes || !codebook_multiplicands) {
ret = AVERROR(ENOMEM);
goto error;
}
for (cb = 0; cb < vc->codebook_count; ++cb) {
vorbis_codebook *codebook_setup = &vc->codebooks[cb];
@ -482,17 +487,19 @@ static int vorbis_parse_setup_hdr_tdtransforms(vorbis_context *vc)
static int vorbis_floor0_decode(vorbis_context *vc,
vorbis_floor_data *vfu, float *vec);
static void create_map(vorbis_context *vc, unsigned floor_number);
static int create_map(vorbis_context *vc, unsigned floor_number);
static int vorbis_floor1_decode(vorbis_context *vc,
vorbis_floor_data *vfu, float *vec);
static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
{
GetBitContext *gb = &vc->gb;
int i,j,k;
int i, j, k, ret;
vc->floor_count = get_bits(gb, 6) + 1;
vc->floors = av_mallocz(vc->floor_count * sizeof(*vc->floors));
if (!vc->floors)
return AVERROR(ENOMEM);
for (i = 0; i < vc->floor_count; ++i) {
vorbis_floor *floor_setup = &vc->floors[i];
@ -556,7 +563,8 @@ static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
floor_setup->data.t1.list = av_mallocz(floor_setup->data.t1.x_list_dim *
sizeof(*floor_setup->data.t1.list));
if (!floor_setup->data.t1.list)
return AVERROR(ENOMEM);
rangebits = get_bits(gb, 4);
rangemax = (1 << rangebits);
@ -626,7 +634,8 @@ static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
}
}
create_map(vc, i);
if ((ret = create_map(vc, i)) < 0)
return ret;
/* codebook dim is for padding if codebook dim doesn't *
* divide order+1 then we need to read more data */
@ -673,6 +682,8 @@ static int vorbis_parse_setup_hdr_residues(vorbis_context *vc)
vc->residue_count = get_bits(gb, 6)+1;
vc->residues = av_mallocz(vc->residue_count * sizeof(*vc->residues));
if (!vc->residues)
return AVERROR(ENOMEM);
av_dlog(NULL, " There are %d residues. \n", vc->residue_count);
@ -753,6 +764,8 @@ static int vorbis_parse_setup_hdr_mappings(vorbis_context *vc)
vc->mapping_count = get_bits(gb, 6)+1;
vc->mappings = av_mallocz(vc->mapping_count * sizeof(*vc->mappings));
if (!vc->mappings)
return AVERROR(ENOMEM);
av_dlog(NULL, " There are %d mappings. \n", vc->mapping_count);
@ -775,6 +788,9 @@ static int vorbis_parse_setup_hdr_mappings(vorbis_context *vc)
sizeof(*mapping_setup->magnitude));
mapping_setup->angle = av_mallocz(mapping_setup->coupling_steps *
sizeof(*mapping_setup->angle));
if (!mapping_setup->angle || !mapping_setup->magnitude)
return AVERROR(ENOMEM);
for (j = 0; j < mapping_setup->coupling_steps; ++j) {
GET_VALIDATED_INDEX(mapping_setup->magnitude[j], ilog(vc->audio_channels - 1), vc->audio_channels)
GET_VALIDATED_INDEX(mapping_setup->angle[j], ilog(vc->audio_channels - 1), vc->audio_channels)
@ -794,6 +810,9 @@ static int vorbis_parse_setup_hdr_mappings(vorbis_context *vc)
if (mapping_setup->submaps>1) {
mapping_setup->mux = av_mallocz(vc->audio_channels *
sizeof(*mapping_setup->mux));
if (!mapping_setup->mux)
return AVERROR(ENOMEM);
for (j = 0; j < vc->audio_channels; ++j)
mapping_setup->mux[j] = get_bits(gb, 4);
}
@ -813,7 +832,7 @@ static int vorbis_parse_setup_hdr_mappings(vorbis_context *vc)
// Process modes part
static void create_map(vorbis_context *vc, unsigned floor_number)
static int create_map(vorbis_context *vc, unsigned floor_number)
{
vorbis_floor *floors = vc->floors;
vorbis_floor0 *vf;
@ -825,6 +844,8 @@ static void create_map(vorbis_context *vc, unsigned floor_number)
n = vc->blocksize[blockflag] / 2;
floors[floor_number].data.t0.map[blockflag] =
av_malloc((n + 1) * sizeof(int32_t)); // n + sentinel
if (!floors[floor_number].data.t0.map[blockflag])
return AVERROR(ENOMEM);
map = floors[floor_number].data.t0.map[blockflag];
vf = &floors[floor_number].data.t0;
@ -842,6 +863,8 @@ static void create_map(vorbis_context *vc, unsigned floor_number)
for (idx = 0; idx <= n; ++idx) {
av_dlog(NULL, "floor0 map: map at pos %d is %d\n", idx, map[idx]);
}
return 0;
}
static int vorbis_parse_setup_hdr_modes(vorbis_context *vc)
@ -851,6 +874,8 @@ static int vorbis_parse_setup_hdr_modes(vorbis_context *vc)
vc->mode_count = get_bits(gb, 6) + 1;
vc->modes = av_mallocz(vc->mode_count * sizeof(*vc->modes));
if (!vc->modes)
return AVERROR(ENOMEM);
av_dlog(NULL, " There are %d modes.\n", vc->mode_count);
@ -961,6 +986,9 @@ static int vorbis_parse_id_hdr(vorbis_context *vc)
vc->channel_residues = av_malloc((vc->blocksize[1] / 2) * vc->audio_channels * sizeof(*vc->channel_residues));
vc->saved = av_mallocz((vc->blocksize[1] / 4) * vc->audio_channels * sizeof(*vc->saved));
if (!vc->channel_residues || !vc->saved)
return AVERROR(ENOMEM);
vc->previous_window = 0;
ff_mdct_init(&vc->mdct[0], bl0, 1, -1.0);