[FFmpeg-devel] [PATCH v2] hevc_mp4toannexb: Insert correct parameter sets before IRAP
Andreas Rheinhardt
andreas.rheinhardt at gmail.com
Tue Aug 20 10:54:00 EEST 2019
Hello,
I have not looked at the *PS and the SEI stuff yet, but here is
already my review of the general code.
Andriy Gelman:
> From: Andriy Gelman <andriy.gelman at gmail.com>
>
> Fixes #7799
>
> Currently, the mp4toannexb filter always inserts the same extradata at
> the start of the first IRAP unit. As in ticket #7799, this can lead to
> decoding errors if modified parameter sets are signalled in-band.
>
> This commit keeps track of the vps/sps/pps parameter sets during the
> conversion. The correct combination is inserted at the start of the
> first IRAP unit instead of the original extradata. SEI prefix nal units
> are also cached and inserted after the parameter sets.
>
> This commit also makes an update to the hevc-bsf-mp4toannexb fate
> test since the result before this patch contained duplicate vps/sps/pps
> parameter sets in-band.
> ---
> libavcodec/hevc_mp4toannexb_bsf.c | 475 +++++++++++++++++++++++++++---
> tests/fate/hevc.mak | 2 +-
> 2 files changed, 437 insertions(+), 40 deletions(-)
>
> diff --git a/libavcodec/hevc_mp4toannexb_bsf.c b/libavcodec/hevc_mp4toannexb_bsf.c
> index 09bce5b34c..7f3d68252d 100644
> --- a/libavcodec/hevc_mp4toannexb_bsf.c
> +++ b/libavcodec/hevc_mp4toannexb_bsf.c
> @@ -28,19 +28,212 @@
> #include "bsf.h"
> #include "bytestream.h"
> #include "hevc.h"
> -
> -#define MIN_HEVCC_LENGTH 23
> +#include "h2645_parse.h"
> +#include "hevc_ps.h"
> +#include "golomb.h"
> +
> +#define MIN_HEVCC_LENGTH 23
> +#define PROFILE_WITHOUT_IDC_BITS 88
> +#define IS_IRAP(s) ((s)->type >= 16 && (s)->type <= 23)
> +#define IS_PARAMSET(s) ((s)->type >= 32 && (s)->type <= 34)
> +
> +#define WRITE_NAL(pkt, prev_size, in_buffer) do { \
> + AV_WB32((pkt)->data + (prev_size), 1); \
> + prev_size += 4; \
> + memcpy((pkt)->data + (prev_size), (in_buffer)->data, (in_buffer)->size); \
> + prev_size += (in_buffer)->size; \
> +} while (0)
> +
> +typedef struct Param {
> + AVBufferRef *raw_data; /*store a copy of the raw data to construct extradata*/
> + int ref; /*stores the ref of the higher level parameter set*/
> +} Param;
> +
> +/*modified version of HEVCParamSets to store bytestream and reference to previous level*/
> +typedef struct ParamSets {
> + Param vps_list[HEVC_MAX_VPS_COUNT];
> + Param sps_list[HEVC_MAX_SPS_COUNT];
> + Param pps_list[HEVC_MAX_PPS_COUNT];
> +
> + AVBufferRef *sei_prefix;
> +} ParamSets;
>
> typedef struct HEVCBSFContext {
> - uint8_t length_size;
> - int extradata_parsed;
> + uint8_t length_size;
> + int extradata_parsed;
> + ParamSets ps; /*make own of version of HEVCParamSets store copy of the bytestream*/
> } HEVCBSFContext;
>
> +
> +static int parse_vps(AVBSFContext* ctx, H2645NAL *nal)
> +{
> + int vps_id = 0;
> + Param *param_ptr;
> +
> + HEVCBSFContext *s = ctx->priv_data;
> + ParamSets *ps = &s->ps;
> +
> + GetBitContext *gb = &nal->gb;
> + int nal_size = nal->raw_size;
> +
> + vps_id = get_bits(gb, 4);
> + if (vps_id >= HEVC_MAX_VPS_COUNT) {
> + av_log(ctx, AV_LOG_ERROR, "VPS id out of range: %d\n", vps_id);
> + return AVERROR_INVALIDDATA;
> + }
> +
> + param_ptr = &ps->vps_list[vps_id];
> + /*init raw_data if needed*/
> + if (!param_ptr->raw_data) {
> + param_ptr->raw_data = av_buffer_allocz(nal_size);
> + param_ptr->ref = 0;
> + if (!param_ptr->raw_data)
> + return AVERROR(ENOMEM);
> + }
> +
> + if (param_ptr->raw_data && param_ptr->raw_data->size == nal_size &&
> + !memcmp(param_ptr->raw_data->data, nal->raw_data, nal_size)) {
> + av_log(ctx, AV_LOG_DEBUG, "Parsed VPS id: %d. Copy already exists in parameter set\n", vps_id);
> + } else {
> + AVBufferRef *vps_buf = av_buffer_allocz(nal_size);
> + if (!vps_buf)
> + return AVERROR(ENOMEM);
> +
> + /*copy raw data into vps_buf buffer and replace existing copy in ps*/
> + memcpy(vps_buf->data, nal->raw_data, nal_size);
> + av_buffer_unref(¶m_ptr->raw_data);
> + param_ptr->raw_data = vps_buf;
> + }
> + return 0;
> +}
> +
> +static int parse_sps(AVBSFContext *ctx, H2645NAL *nal)
> +{
> + int sps_id, vps_ref, max_sub_layers_minus1;
> + int i;
> + Param *param_ptr;
> +
> + HEVCBSFContext *s = (HEVCBSFContext*)ctx->priv_data;
> + ParamSets *ps = &s->ps;
> +
> + GetBitContext *gb = &nal->gb;
> + int nal_size = nal->raw_size;
> +
> + uint8_t sub_layer_profile_present_flag[HEVC_MAX_SUB_LAYERS];
> + uint8_t sub_layer_level_present_flag[HEVC_MAX_SUB_LAYERS];
> +
> + vps_ref = get_bits(gb, 4);
> + if (vps_ref >= HEVC_MAX_VPS_COUNT) {
> + av_log(ctx, AV_LOG_ERROR, "VPS id out of range: %d\n", vps_ref);
> + return AVERROR_INVALIDDATA;
> + }
> +
> + max_sub_layers_minus1 = get_bits(gb, 3);
> + skip_bits1(gb); /*sps_temporal_id_nesting_flag*/
> + skip_bits(gb, PROFILE_WITHOUT_IDC_BITS); /*profile_tier_level*/
> + skip_bits(gb, 8); /*general_level_idc*/
> +
> + for (i = 0; i < max_sub_layers_minus1; ++i) {
> + sub_layer_profile_present_flag[i] = get_bits1(gb);
> + sub_layer_level_present_flag[i] = get_bits1(gb);
> + }
> +
> + if (max_sub_layers_minus1 > 0)
> + for (i = max_sub_layers_minus1; i < 8; i++)
> + skip_bits(gb, 2); // reserved_zero_2bits[i]
> +
> + for (i = 0; i < max_sub_layers_minus1; ++i) {
> + if (sub_layer_profile_present_flag[i])
> + skip_bits(gb, PROFILE_WITHOUT_IDC_BITS); /*profile_tier_level*/
> + if (sub_layer_level_present_flag[i])
> + skip_bits(gb, 8); /*sub_layer_level_idc*/
> + }
> +
> + /*we only need the sps_id index*/
> + sps_id = get_ue_golomb_long(gb);
> + if (sps_id >= HEVC_MAX_SPS_COUNT) {
> + av_log(ctx, AV_LOG_ERROR, "SPS id out of range: %d\n", sps_id);
> + return AVERROR_INVALIDDATA;
> + }
> +
> + param_ptr = &ps->sps_list[sps_id];
> + if (!param_ptr->raw_data) {
> + param_ptr->raw_data = av_buffer_allocz(nal_size);
> + param_ptr->ref = 0;
> + if (!param_ptr->raw_data)
> + return AVERROR(ENOMEM);
> + }
> +
> + if (param_ptr->raw_data && param_ptr->raw_data->size == nal_size &&
> + !memcmp(param_ptr->raw_data->data, nal->raw_data, nal_size)) {
> + av_log(ctx, AV_LOG_DEBUG, "Parsed SPS id: %d. Copy already exists in parameter set\n", sps_id);
> + } else {
> + AVBufferRef *sps_buf = av_buffer_allocz(nal_size);
> + if (!sps_buf)
> + return AVERROR(ENOMEM);
> +
> + /*copy raw data into vps_buf buffer and replace existing copy in ps*/
> + memcpy(sps_buf->data, nal->raw_data, nal_size);
> + av_buffer_unref(¶m_ptr->raw_data);
> + param_ptr->raw_data = sps_buf;
> + param_ptr->ref = vps_ref;
> + }
> + return 0;
> +}
> +
> +static int parse_pps(AVBSFContext *ctx, H2645NAL *nal)
> +{
> + int pps_id, sps_ref;
> + Param *param_ptr;
> +
> + HEVCBSFContext *s = ctx->priv_data;
> + ParamSets *ps = &s->ps;
> +
> + GetBitContext *gb = &nal->gb;
> + int nal_size = nal->raw_size;
> +
> + pps_id = get_ue_golomb_long(gb);
> + if (pps_id >= HEVC_MAX_PPS_COUNT) {
> + av_log(ctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
> + return AVERROR_INVALIDDATA;
> + }
> +
> + sps_ref = get_ue_golomb_long(gb);
> + if (sps_ref >= HEVC_MAX_SPS_COUNT) {
> + av_log(ctx, AV_LOG_ERROR, "SPS id out of range: %d\n", sps_ref);
> + return AVERROR_INVALIDDATA;
> + }
> +
> + param_ptr = &ps->pps_list[pps_id];
> + if (!param_ptr->raw_data) {
> + param_ptr->raw_data = av_buffer_allocz(nal_size);
> + param_ptr->ref = 0;
> + if (!param_ptr->raw_data)
> + return AVERROR(ENOMEM);
> + }
> +
> + if (param_ptr->raw_data && param_ptr->raw_data->size == nal_size &&
> + !memcmp(param_ptr->raw_data->data, nal->raw_data, nal_size)) {
> + av_log(ctx, AV_LOG_DEBUG, "Parsed PPS id: %d. Copy already exists in parameter set\n", pps_id);
> + } else {
> + AVBufferRef *pps_buf = av_buffer_allocz(nal_size);
> + if (!pps_buf)
> + return AVERROR(ENOMEM);
> +
> + /*copy raw data into vps_buf buffer and replace existing copy in ps*/
> + memcpy(pps_buf->data, nal->raw_data, nal_size);
> + av_buffer_unref(¶m_ptr->raw_data);
> + param_ptr->raw_data = pps_buf;
> + param_ptr->ref = sps_ref;
> + }
> + return 0;
> +}
> +
> static int hevc_extradata_to_annexb(AVBSFContext *ctx)
> {
> - GetByteContext gb;
> int length_size, num_arrays, i, j;
> int ret = 0;
> + GetByteContext gb;
>
Un
> uint8_t *new_extradata = NULL;
> size_t new_extradata_size = 0;
> @@ -94,10 +287,95 @@ fail:
> return ret;
> }
>
> +static int avcc_to_annexb(AVBSFContext *ctx, AVPacket **pkt, int nalu_length_size)
> +{
> + int ret, i, prev_size;
> + GetByteContext gb;
> +
> + AVPacket* pkt_out = av_packet_alloc();
> + if (!pkt_out)
> + return AVERROR(ENOMEM);
I initially wanted to write that all you change in this subfunction is
the packet's data, so that you do not need to allocate a new packet at
all; all you need is an AVBufferRef equivalent of av_grow_packet. As
it happens, I, too, have encountered such a need (can be used
advantageously in several bitstream filters) and I have implemented
such a function
(https://github.com/mkver/FFmpeg/commit/a119e056a27736feb88f191ddce93b0a0d8dfb41),
but have not yet sent this stuff to the ML because I was interrupted
by other stuff.
But then I read on and saw that this whole function can be omitted.
See below.
> +
> + ret = av_new_packet(pkt_out, 0);
> + if (ret < 0)
> + goto fail;
> +
> + bytestream2_init(&gb, (*pkt)->data, (*pkt)->size);
> + while (bytestream2_get_bytes_left(&gb)) {
> + uint32_t nalu_size = 0;
> + for (i = 0; i < nalu_length_size; i++)
> + nalu_size = (nalu_size << 8) | bytestream2_get_byte(&gb);
> +
> + if (SIZE_MAX - nalu_size < 4) {
> + ret = AVERROR_INVALIDDATA;
> + goto fail;
> + }
> +
> + prev_size = pkt_out->size;
> + ret = av_grow_packet(pkt_out, 4 + nalu_size);
> + if (ret < 0)
> + goto fail;
> +
> + AV_WB32(pkt_out->data + prev_size, 1);
> + ret = bytestream2_get_buffer(&gb, pkt_out->data + prev_size + 4, nalu_size);
> + if (ret != nalu_size)
> + av_log(ctx, AV_LOG_WARNING, "Corrupted avcc nal unit. Read %d/%d bytes\n", ret, nalu_size);
> + }
> +
> + ret = av_packet_copy_props(pkt_out, *pkt);
> + if (ret < 0)
> + goto fail;
> +
> + /*unref avcc version and replace pkt with pkt_out*/
> + av_packet_free(pkt);
> + *pkt = pkt_out;
> +
> + return 0;
> +
> +fail:
> + av_packet_free(&pkt_out);
> + return ret;
> +}
> +
> +static int update_sei(AVBufferRef **sei, H2645NAL *nal)
> +{
> + AVBufferRef *tmp;
> +
> + av_buffer_unref(sei);
> + tmp = av_buffer_alloc(nal->raw_size);
> + if (!tmp)
> + return AVERROR(ENOMEM);
> +
> + memcpy(tmp->data, nal->raw_data, nal->raw_size);
> + *sei = tmp;
> +
> + return 0;
> +}
> +
> +static int update_paramset(AVBSFContext *ctx, H2645NAL *nal)
> +{
> + int ret;
> + switch (nal->type) {
> + case (HEVC_NAL_VPS):
> + if (ret = parse_vps(ctx, nal) < 0)
> + return ret;
> + break;
> + case (HEVC_NAL_SPS):
> + if (ret = parse_sps(ctx, nal) < 0)
> + return ret;
> + break;
> + case (HEVC_NAL_PPS):
> + if (ret = parse_pps(ctx, nal) < 0)
> + return ret;
> + }
> + return 0;
> +}
> +
> static int hevc_mp4toannexb_init(AVBSFContext *ctx)
> {
> HEVCBSFContext *s = ctx->priv_data;
> - int ret;
> + H2645Packet pkt;
> + int i, ret = 0;
>
> if (ctx->par_in->extradata_size < MIN_HEVCC_LENGTH ||
> AV_RB24(ctx->par_in->extradata) == 1 ||
> @@ -110,7 +388,114 @@ static int hevc_mp4toannexb_init(AVBSFContext *ctx)
> return ret;
> s->length_size = ret;
> s->extradata_parsed = 1;
> +
> + memset(&pkt, 0, sizeof(H2645Packet));
> + ret = ff_h2645_packet_split(&pkt, ctx->par_out->extradata, ctx->par_out->extradata_size,
> + ctx, 0, 0, AV_CODEC_ID_HEVC, 1, 0);
> + if (ret < 0)
> + goto done;
> +
> + for (i = 0; i < pkt.nb_nals; ++i) {
> + H2645NAL *nal = &pkt.nals[i];
> +
> + /*current segmentation algorithm includes next 0x00 from next nal unit*/
> + if (nal->raw_data[nal->raw_size - 1] == 0x00)
> + nal->raw_size--;
> +
> + if (IS_PARAMSET(nal)) {
> + ret = update_paramset(ctx, nal);
> + if (ret < 0)
> + goto done;
> + continue;
> + }
> +
> + if (nal->type == HEVC_NAL_SEI_PREFIX) {
> + ret = update_sei(&s->ps.sei_prefix, nal);
> + if (ret < 0)
> + goto done;
> + }
> + }
> + }
> +
> +done:
> + ff_h2645_packet_uninit(&pkt);
> + return ret;
> +}
> +
> +static void ps_uninit(ParamSets* ps)
> +{
> + int i;
> + for (i = 0; i < FF_ARRAY_ELEMS(ps->vps_list); i++)
> + av_buffer_unref(&ps->vps_list[i].raw_data);
> + for (i = 0; i < FF_ARRAY_ELEMS(ps->sps_list); i++)
> + av_buffer_unref(&ps->sps_list[i].raw_data);
> + for (i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++)
> + av_buffer_unref(&ps->pps_list[i].raw_data);
> +
> + av_buffer_unref(&ps->sei_prefix);
> +}
> +
> +static void hevc_mp4toannexb_close(AVBSFContext *ctx)
> +{
> + HEVCBSFContext *s = (HEVCBSFContext*)ctx->priv_data;
> + ps_uninit(&s->ps);
> +}
> +
> +static int write_extradata(AVBSFContext *ctx, AVPacket *pkt_out, H2645NAL *nal_irap)
> +{
> + int ref, ret, prev_size;
> + int new_extradata_size = 0;
> +
> + HEVCBSFContext *s = (HEVCBSFContext*)ctx->priv_data;
> + ParamSets *ps = &s->ps;
> + GetBitContext *gb = &nal_irap->gb;
> +
> + /* currently active pps parameter set */
> + const Param *vps;
> + const Param *sps;
> + const Param *pps;
> +
> + skip_bits1(gb); /*first_slice_ic_pic_flag*/
> + skip_bits1(gb); /*no_output_of_prior_pics_flag*/
> +
> + ref = get_ue_golomb_long(gb);
> + if (ref >= HEVC_MAX_PPS_COUNT || ps->pps_list[ref].raw_data == NULL) {
> + av_log(ctx, AV_LOG_ERROR, "Invalid PPS: %d\n", ref);
> + return AVERROR_INVALIDDATA;
> + }
> + pps = &ps->pps_list[ref];
> + new_extradata_size += pps->raw_data->size + 4;
> + ref = pps->ref;
> +
> + if (ref >= HEVC_MAX_SPS_COUNT || ps->sps_list[ref].raw_data == NULL) {
> + av_log(ctx, AV_LOG_ERROR, "Invalid SPS: %d\n", ref);
> + return AVERROR_INVALIDDATA;
> + }
> + sps = &ps->sps_list[ref];
> + new_extradata_size += sps->raw_data->size + 4;
> + ref = sps->ref;
> +
> + if (ref >= HEVC_MAX_VPS_COUNT || ps->vps_list[ref].raw_data == NULL) {
> + av_log(ctx, AV_LOG_ERROR, "Invalid VPS: %d\n", ref);
> + return AVERROR_INVALIDDATA;
> }
> + vps = &ps->vps_list[ref];
> + new_extradata_size += vps->raw_data->size + 4;
> +
> + if (ps->sei_prefix)
> + new_extradata_size += ps->sei_prefix->size + 4;
> +
> + prev_size = pkt_out->size;
> + ret = av_grow_packet(pkt_out, new_extradata_size);
> + if (ret < 0)
> + return AVERROR(ENOMEM);
> +
> + WRITE_NAL(pkt_out, prev_size, vps->raw_data);
> + WRITE_NAL(pkt_out, prev_size, sps->raw_data);
> + WRITE_NAL(pkt_out, prev_size, pps->raw_data);
> +
> + if (ps->sei_prefix)
> + WRITE_NAL(pkt_out, prev_size, ps->sei_prefix);
>
> return 0;
> }
> @@ -119,62 +504,73 @@ static int hevc_mp4toannexb_filter(AVBSFContext *ctx, AVPacket *out)
> {
> HEVCBSFContext *s = ctx->priv_data;
> AVPacket *in;
> - GetByteContext gb;
> -
> - int got_irap = 0;
> - int i, ret = 0;
> + H2645Packet pkt;
> + int i, prev_size;
> + int ret = 0;
> + int first_irap = 0;
>
> ret = ff_bsf_get_packet(ctx, &in);
> if (ret < 0)
> return ret;
>
> + /*output the annexb nalu if extradata is not parsed*/
> if (!s->extradata_parsed) {
> av_packet_move_ref(out, in);
> av_packet_free(&in);
> return 0;
> }
>
> - bytestream2_init(&gb, in->data, in->size);
> + /*convert packet from avcc to annexb*/
> + ret = avcc_to_annexb(ctx, &in, s->length_size);
> + if (ret < 0) {
> + av_packet_free(&in);
> + return ret;
> + }
>
> - while (bytestream2_get_bytes_left(&gb)) {
> - uint32_t nalu_size = 0;
> - int nalu_type;
> - int is_irap, add_extradata, extra_size, prev_size;
> + /*segment annexb packet into nal units*/
> + memset(&pkt, 0, sizeof(H2645Packet));
> + ret = ff_h2645_packet_split(&pkt, in->data, in->size, ctx, 0, 0, AV_CODEC_ID_HEVC, 1, 0);
ff_h2645_packet_split is perfectly fine with mp4-style data. There is
no need to convert it to annex b before this step. Avoiding this has
the benefit of it not mishandling trailing 0x00 in this case.
ret = ff_h2645_packet_split(&pkt, in->data, in->size, ctx, 1,
s->length_size, AV_CODEC_ID_HEVC, 1, 0);
should do the trick.
That should already provide a pretty good speed boost. Another
possible way for speed improvement is not using ff_h2645_packet_split,
but using ff_h2645_extract_rbsp on the NAL units that we are
interested in and simply copy the other NAL units. (Looking for 0x03
escapes is expensive.)
> + if (ret < 0)
> + goto done;
>
> - for (i = 0; i < s->length_size; i++)
> - nalu_size = (nalu_size << 8) | bytestream2_get_byte(&gb);
> + for (i = 0; i < pkt.nb_nals; ++i) {
>
> - nalu_type = (bytestream2_peek_byte(&gb) >> 1) & 0x3f;
> + H2645NAL *nal = &pkt.nals[i];
>
> - /* prepend extradata to IRAP frames */
> - is_irap = nalu_type >= 16 && nalu_type <= 23;
> - add_extradata = is_irap && !got_irap;
> - extra_size = add_extradata * ctx->par_out->extradata_size;
> - got_irap |= is_irap;
> + /*current segmentation algorithm includes next 0x00 from next nal unit*/
> + if (nal->raw_data[nal->raw_size - 1] == 0x00)
> + nal->raw_size--;
>
> - if (SIZE_MAX - nalu_size < 4 ||
> - SIZE_MAX - 4 - nalu_size < extra_size) {
> - ret = AVERROR_INVALIDDATA;
> - goto fail;
> + if (IS_PARAMSET(nal)) {
> + ret = update_paramset(ctx, nal);
> + if (ret < 0)
> + goto done;
> + continue;
> }
>
> - prev_size = out->size;
> + if (nal->type == HEVC_NAL_SEI_PREFIX) {
> + ret = update_sei(&s->ps.sei_prefix, nal);
> + if (ret < 0)
> + goto done;
> + continue;
> + }
>
> - ret = av_grow_packet(out, 4 + nalu_size + extra_size);
> - if (ret < 0)
> - goto fail;
> + if (!first_irap && IS_IRAP(nal)) {
> + ret = write_extradata(ctx, out, nal);
> + if (ret < 0)
> + goto done;
> + first_irap = 1;
> + }
>
> - if (add_extradata)
> - memcpy(out->data + prev_size, ctx->par_out->extradata, extra_size);
> - AV_WB32(out->data + prev_size + extra_size, 1);
> - bytestream2_get_buffer(&gb, out->data + prev_size + 4 + extra_size, nalu_size);
> + /*write to output packet*/
> + prev_size = out->size;
> + av_grow_packet(out, nal->raw_size + 4);
> + WRITE_NAL(out, prev_size, nal);
The WRITE_NAL macro as it exists is not applicable here: It will write
the NAL's data, which is unescaped (the 0x03 escape bytes have been
removed), but you should write the raw data (including the 0x03).
Doing it this way will result in corrupted output.
> }
>
> - ret = av_packet_copy_props(out, in);
> - if (ret < 0)
> - goto fail;
> +done:
> + ff_h2645_packet_uninit(&pkt);
>
> -fail:
> if (ret < 0)
> av_packet_unref(out);
> av_packet_free(&in);
> @@ -190,6 +586,7 @@ const AVBitStreamFilter ff_hevc_mp4toannexb_bsf = {
> .name = "hevc_mp4toannexb",
> .priv_data_size = sizeof(HEVCBSFContext),
> .init = hevc_mp4toannexb_init,
> + .close = hevc_mp4toannexb_close,
> .filter = hevc_mp4toannexb_filter,
> .codec_ids = codec_ids,
> };
> diff --git a/tests/fate/hevc.mak b/tests/fate/hevc.mak
> index 559c3898bc..46f130f4d1 100644
> --- a/tests/fate/hevc.mak
> +++ b/tests/fate/hevc.mak
> @@ -238,7 +238,7 @@ FATE_HEVC-$(call ALLYES, HEVC_DEMUXER MOV_DEMUXER HEVC_MP4TOANNEXB_BSF MOV_MUXER
> fate-hevc-bsf-mp4toannexb: tests/data/hevc-mp4.mov
> fate-hevc-bsf-mp4toannexb: CMD = md5 -i $(TARGET_PATH)/tests/data/hevc-mp4.mov -c:v copy -fflags +bitexact -f hevc
> fate-hevc-bsf-mp4toannexb: CMP = oneline
> -fate-hevc-bsf-mp4toannexb: REF = 1873662a3af1848c37e4eb25722c8df9
> +fate-hevc-bsf-mp4toannexb: REF = d41d8cd98f00b204e9800998ecf8427e
>
> fate-hevc-skiploopfilter: CMD = framemd5 -skip_loop_filter nokey -i $(TARGET_SAMPLES)/hevc-conformance/SAO_D_Samsung_5.bit -sws_flags bitexact
> FATE_HEVC += fate-hevc-skiploopfilter
>
- Andreas
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