Commit 5e316096 authored by Anton Khirnov's avatar Anton Khirnov

h264_ps: make the PPS hold a reference to its SPS

It represents the relationship between them more naturally and will be
useful in the following commits.

Allows significantly more frames in fate-h264-attachment-631 to be
decoded.
parent ec7f33a3
......@@ -361,26 +361,14 @@ static inline int parse_nal_units(AVCodecParserContext *s,
}
av_buffer_unref(&p->ps.pps_ref);
av_buffer_unref(&p->ps.sps_ref);
p->ps.pps = NULL;
p->ps.sps = NULL;
p->ps.pps_ref = av_buffer_ref(p->ps.pps_list[pps_id]);
if (!p->ps.pps_ref)
goto fail;
p->ps.pps = (const PPS*)p->ps.pps_ref->data;
if (!p->ps.sps_list[p->ps.pps->sps_id]) {
av_log(avctx, AV_LOG_ERROR,
"non-existing SPS %u referenced\n", p->ps.pps->sps_id);
goto fail;
}
p->ps.sps_ref = av_buffer_ref(p->ps.sps_list[p->ps.pps->sps_id]);
if (!p->ps.sps_ref)
goto fail;
p->ps.sps = (const SPS*)p->ps.sps_ref->data;
sps = p->ps.sps;
p->ps.sps = p->ps.pps->sps;
sps = p->ps.sps;
// heuristic to detect non marked keyframes
if (p->ps.sps->ref_frame_count <= 1 && p->ps.pps->ref_count[0] <= 1 && s->pict_type == AV_PICTURE_TYPE_I)
......
......@@ -324,7 +324,6 @@ void ff_h264_ps_uninit(H264ParamSets *ps)
for (i = 0; i < MAX_PPS_COUNT; i++)
av_buffer_unref(&ps->pps_list[i]);
av_buffer_unref(&ps->sps_ref);
av_buffer_unref(&ps->pps_ref);
ps->pps = NULL;
......@@ -738,6 +737,15 @@ static int more_rbsp_data_in_pps(const SPS *sps, void *logctx)
return 1;
}
static void pps_free(void *opaque, uint8_t *data)
{
PPS *pps = (PPS*)data;
av_buffer_unref(&pps->sps_ref);
av_freep(&data);
}
int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
H264ParamSets *ps, int bit_length)
{
......@@ -754,10 +762,15 @@ int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avct
return AVERROR_INVALIDDATA;
}
pps_buf = av_buffer_allocz(sizeof(*pps));
if (!pps_buf)
pps = av_mallocz(sizeof(*pps));
if (!pps)
return AVERROR(ENOMEM);
pps = (PPS*)pps_buf->data;
pps_buf = av_buffer_create((uint8_t*)pps, sizeof(*pps),
pps_free, NULL, 0);
if (!pps_buf) {
av_freep(&pps);
return AVERROR(ENOMEM);
}
pps->data_size = gb->buffer_end - gb->buffer;
if (pps->data_size > sizeof(pps->data)) {
......@@ -775,7 +788,14 @@ int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avct
ret = AVERROR_INVALIDDATA;
goto fail;
}
sps = (const SPS*)ps->sps_list[pps->sps_id]->data;
pps->sps_ref = av_buffer_ref(ps->sps_list[pps->sps_id]);
if (!pps->sps_ref) {
ret = AVERROR(ENOMEM);
goto fail;
}
pps->sps = (const SPS*)pps->sps_ref->data;
sps = pps->sps;
if (sps->bit_depth_luma > 14) {
av_log(avctx, AV_LOG_ERROR,
"Invalid luma bit depth=%d\n",
......
......@@ -135,6 +135,9 @@ typedef struct PPS {
uint32_t dequant8_buffer[6][QP_MAX_NUM + 1][64];
uint32_t(*dequant4_coeff[6])[16];
uint32_t(*dequant8_coeff[6])[64];
AVBufferRef *sps_ref;
const SPS *sps;
} PPS;
typedef struct H264ParamSets {
......@@ -142,7 +145,6 @@ typedef struct H264ParamSets {
AVBufferRef *pps_list[MAX_PPS_COUNT];
AVBufferRef *pps_ref;
AVBufferRef *sps_ref;
/* currently active parameters sets */
const PPS *pps;
const SPS *sps;
......
......@@ -333,7 +333,6 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
}
av_buffer_unref(&h->ps.pps_ref);
av_buffer_unref(&h->ps.sps_ref);
h->ps.pps = NULL;
h->ps.sps = NULL;
if (h1->ps.pps_ref) {
......@@ -341,12 +340,7 @@ int ff_h264_update_thread_context(AVCodecContext *dst,
if (!h->ps.pps_ref)
return AVERROR(ENOMEM);
h->ps.pps = (const PPS*)h->ps.pps_ref->data;
}
if (h1->ps.sps_ref) {
h->ps.sps_ref = av_buffer_ref(h1->ps.sps_ref);
if (!h->ps.sps_ref)
return AVERROR(ENOMEM);
h->ps.sps = (const SPS*)h->ps.sps_ref->data;
h->ps.sps = h->ps.pps->sps;
}
if (need_reinit || !inited) {
......@@ -1013,13 +1007,8 @@ static int h264_init_ps(H264Context *h, const H264SliceContext *sl, int first_sl
h->ps.pps = (const PPS*)h->ps.pps_ref->data;
}
if (h->ps.sps != (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data) {
av_buffer_unref(&h->ps.sps_ref);
h->ps.sps = NULL;
h->ps.sps_ref = av_buffer_ref(h->ps.sps_list[h->ps.pps->sps_id]);
if (!h->ps.sps_ref)
return AVERROR(ENOMEM);
h->ps.sps = (const SPS*)h->ps.sps_ref->data;
if (h->ps.sps != h->ps.pps->sps) {
h->ps.sps = (const SPS*)h->ps.pps->sps;
if (h->mb_width != h->ps.sps->mb_width ||
h->mb_height != h->ps.sps->mb_height ||
......@@ -1779,13 +1768,7 @@ static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
return AVERROR_INVALIDDATA;
}
pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
if (!h->ps.sps_list[pps->sps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing SPS %u referenced\n", pps->sps_id);
return AVERROR_INVALIDDATA;
}
sps = (const SPS*)h->ps.sps_list[pps->sps_id]->data;
sps = pps->sps;
sl->frame_num = get_bits(&sl->gb, sps->log2_max_frame_num);
if (!first_slice) {
......@@ -2171,7 +2154,7 @@ int ff_h264_queue_decode_slice(H264Context *h, const H2645NAL *nal)
av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
return AVERROR_INVALIDDATA;
}
if (h->ps.sps != (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data) {
if (h->ps.sps != pps->sps) {
av_log(h->avctx, AV_LOG_ERROR,
"SPS changed in the middle of the frame\n");
return AVERROR_INVALIDDATA;
......
......@@ -764,9 +764,7 @@ end:
* past end by one (callers fault) and resync_mb_y != 0
* causes problems for the first MB line, too.
*/
if (!FIELD_PICTURE(h) && h->current_slice &&
h->ps.sps == (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data &&
h->enable_er) {
if (!FIELD_PICTURE(h) && h->current_slice && h->enable_er) {
H264SliceContext *sl = h->slice_ctx;
int use_last_pic = h->last_pic_for_ec.f->buf[0] && !sl->ref_count[0];
......
......@@ -3,6 +3,154 @@
#codec_id 0: rawvideo
#dimensions 0: 720x480
#sar 0: 8/9
0, 6, 6, 1, 518400, 0xd2068698
0, 10, 10, 1, 518400, 0x2ee4865f
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0, 578, 578, 1, 518400, 0xf0beb8ae
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0, 603, 603, 1, 518400, 0x21a5df80
0, 607, 607, 1, 518400, 0x5b8e115b
......
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