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Code Issues Releases Activity

avcodec/h264: Remove bits_per_raw_sample hacks

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Fixes assertion failure

Fixes: f12c79769501ee471a5c731b8304ffcb/signal_sigabrt_7ffff6ac8cc9_3766_cov_4267830138_undemuxable_h264.ts

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-25 03:45:32 +01:00
parent e003a53452
commit 354db19ff4
3 changed files with 6 additions and 9 deletions
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5
libavcodec/h264.c
View File

@ -619,7 +619,6 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx)
h->bit_depth_luma = 8;
h->chroma_format_idc = 1;
h->avctx->bits_per_raw_sample = 8;
h->cur_chroma_format_idc = 1;
ff_h264dsp_init(&h->h264dsp, 8, 1);
@ -654,6 +653,7 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx)
ff_init_cabac_states();
h->pixel_shift = 0;
h->cur_bit_depth_luma =
h->sps.bit_depth_luma = avctx->bits_per_raw_sample = 8;
h->nb_slice_ctx = (avctx->active_thread_type & FF_THREAD_SLICE) ? H264_MAX_THREADS : 1;
@ -1237,7 +1237,7 @@ int ff_h264_set_parameter_from_sps(H264Context *h)
if (h->avctx->has_b_frames < 2)
h->avctx->has_b_frames = !h->low_delay;
if (h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
if (h->cur_bit_depth_luma != h->sps.bit_depth_luma ||
h->cur_chroma_format_idc != h->sps.chroma_format_idc) {
if (h->avctx->codec &&
h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU &&
@ -1248,6 +1248,7 @@ int ff_h264_set_parameter_from_sps(H264Context *h)
}
if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 14 &&
h->sps.bit_depth_luma != 11 && h->sps.bit_depth_luma != 13) {
h->cur_bit_depth_luma =
h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma;
h->cur_chroma_format_idc = h->sps.chroma_format_idc;
h->pixel_shift = h->sps.bit_depth_luma > 8;

1
libavcodec/h264.h
View File

@ -781,6 +781,7 @@ typedef struct H264Context {
int initial_cpb_removal_delay[32]; ///< Initial timestamps for CPBs
int cur_chroma_format_idc;
int cur_bit_depth_luma;
int16_t slice_row[MAX_SLICES]; ///< to detect when MAX_SLICES is too low
uint8_t parse_history[6];

9
libavcodec/h264_slice.c
View File

@ -458,11 +458,6 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
h->sps.chroma_format_idc != h1->sps.chroma_format_idc ||
h->sps.colorspace != h1->sps.colorspace)) {
/* set bits_per_raw_sample to the previous value. the check for changed
* bit depth in h264_set_parameter_from_sps() uses it and sets it to
* the current value */
h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma;
h->width = h1->width;
h->height = h1->height;
h->mb_height = h1->mb_height;
@ -1303,7 +1298,7 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
if (h->mb_width != h->sps.mb_width ||
h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) ||
h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
h->cur_bit_depth_luma != h->sps.bit_depth_luma ||
h->cur_chroma_format_idc != h->sps.chroma_format_idc
)
needs_reinit = 1;
@ -1325,7 +1320,7 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
must_reinit = (h->context_initialized &&
( 16*h->sps.mb_width != h->avctx->coded_width
|| 16*h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) != h->avctx->coded_height
|| h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma
|| h->cur_bit_depth_luma != h->sps.bit_depth_luma
|| h->cur_chroma_format_idc != h->sps.chroma_format_idc
|| h->mb_width != h->sps.mb_width
|| h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag)