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Merge commit 'debca90863e4ee53447efd02483c500f89766384'
* commit 'debca90863e4ee53447efd02483c500f89766384': h264: store {curr,max}_pic_num in the per-slice context Merged-by: Clément Bœsch <u@pkh.me>
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commit
6c41eda18e
@ -465,6 +465,8 @@ typedef struct H264SliceContext {
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int poc_lsb;
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int delta_poc_bottom;
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int delta_poc[2];
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int curr_pic_num;
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int max_pic_num;
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} H264SliceContext;
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/**
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@ -588,16 +590,6 @@ typedef struct H264Context {
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H264POCContext poc;
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/**
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* frame_num for frames or 2 * frame_num + 1 for field pics.
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*/
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int curr_pic_num;
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/**
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* max_frame_num or 2 * max_frame_num for field pics.
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*/
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int max_pic_num;
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H264Ref default_ref[2];
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H264Picture *short_ref[32];
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H264Picture *long_ref[32];
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@ -305,7 +305,7 @@ int ff_h264_build_ref_list(H264Context *h, H264SliceContext *sl)
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h264_initialise_ref_list(h, sl);
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for (list = 0; list < sl->list_count; list++) {
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int pred = h->curr_pic_num;
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int pred = sl->curr_pic_num;
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for (index = 0; index < sl->nb_ref_modifications[list]; index++) {
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unsigned int modification_of_pic_nums_idc = sl->ref_modifications[list][index].op;
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@ -320,7 +320,7 @@ int ff_h264_build_ref_list(H264Context *h, H264SliceContext *sl)
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const unsigned int abs_diff_pic_num = val + 1;
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int frame_num;
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if (abs_diff_pic_num > h->max_pic_num) {
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if (abs_diff_pic_num > sl->max_pic_num) {
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av_log(h->avctx, AV_LOG_ERROR,
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"abs_diff_pic_num overflow\n");
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return AVERROR_INVALIDDATA;
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@ -330,7 +330,7 @@ int ff_h264_build_ref_list(H264Context *h, H264SliceContext *sl)
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pred -= abs_diff_pic_num;
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else
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pred += abs_diff_pic_num;
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pred &= h->max_pic_num - 1;
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pred &= sl->max_pic_num - 1;
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frame_num = pic_num_extract(h, pred, &pic_structure);
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@ -844,8 +844,8 @@ int ff_h264_decode_ref_pic_marking(const H264Context *h, H264SliceContext *sl,
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mmco[i].opcode = opcode;
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if (opcode == MMCO_SHORT2UNUSED || opcode == MMCO_SHORT2LONG) {
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mmco[i].short_pic_num =
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(h->curr_pic_num - get_ue_golomb_long(gb) - 1) &
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(h->max_pic_num - 1);
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(sl->curr_pic_num - get_ue_golomb_long(gb) - 1) &
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(sl->max_pic_num - 1);
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#if 0
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if (mmco[i].short_pic_num >= h->short_ref_count ||
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!h->short_ref[mmco[i].short_pic_num]) {
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@ -418,9 +418,6 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
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memcpy(&h->poc, &h1->poc, sizeof(h->poc));
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h->curr_pic_num = h1->curr_pic_num;
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h->max_pic_num = h1->max_pic_num;
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memcpy(h->default_ref, h1->default_ref, sizeof(h->default_ref));
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memcpy(h->short_ref, h1->short_ref, sizeof(h->short_ref));
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memcpy(h->long_ref, h1->long_ref, sizeof(h->long_ref));
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@ -1337,7 +1334,7 @@ static int h264_field_start(H264Context *h, const H264SliceContext *sl,
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return 0;
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}
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static int h264_slice_header_parse(H264Context *h, H264SliceContext *sl,
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static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
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const H2645NAL *nal)
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{
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const SPS *sps;
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@ -1426,11 +1423,11 @@ static int h264_slice_header_parse(H264Context *h, H264SliceContext *sl,
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sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
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if (picture_structure == PICT_FRAME) {
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h->curr_pic_num = sl->frame_num;
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h->max_pic_num = 1 << sps->log2_max_frame_num;
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sl->curr_pic_num = sl->frame_num;
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sl->max_pic_num = 1 << sps->log2_max_frame_num;
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} else {
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h->curr_pic_num = 2 * sl->frame_num + 1;
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h->max_pic_num = 1 << (sps->log2_max_frame_num + 1);
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sl->curr_pic_num = 2 * sl->frame_num + 1;
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sl->max_pic_num = 1 << (sps->log2_max_frame_num + 1);
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}
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if (nal->type == NAL_IDR_SLICE)
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