h->thread_context[0] = h;
for (i = 0; i < h->nb_slice_ctx; i++)
- h->slice_ctx[i].h264 = h->thread_context[0];
+ h->slice_ctx[i].h264 = h;
h->outputed_poc = h->next_outputed_poc = INT_MIN;
for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
int parse_extradata)
{
AVCodecContext *const avctx = h->avctx;
- H264Context *hx; ///< thread context
H264SliceContext *sl;
int buf_index;
unsigned context_count;
continue;
}
- hx = h->thread_context[context_count];
sl = &h->slice_ctx[context_count];
- ptr = ff_h264_decode_nal(hx, sl, buf + buf_index, &dst_length,
+ ptr = ff_h264_decode_nal(h, sl, buf + buf_index, &dst_length,
&consumed, next_avc - buf_index);
if (!ptr || dst_length < 0) {
ret = -1;
if (h->avctx->debug & FF_DEBUG_STARTCODE)
av_log(h->avctx, AV_LOG_DEBUG,
"NAL %d/%d at %d/%d length %d\n",
- hx->nal_unit_type, hx->nal_ref_idc, buf_index, buf_size, dst_length);
+ h->nal_unit_type, h->nal_ref_idc, buf_index, buf_size, dst_length);
if (h->is_avc && (nalsize != consumed) && nalsize)
av_log(h->avctx, AV_LOG_DEBUG,
* parsing. Decoding slices is not possible in codec init
* with frame-mt */
if (parse_extradata) {
- switch (hx->nal_unit_type) {
+ switch (h->nal_unit_type) {
case NAL_IDR_SLICE:
case NAL_SLICE:
case NAL_DPA:
case NAL_DPC:
av_log(h->avctx, AV_LOG_WARNING,
"Ignoring NAL %d in global header/extradata\n",
- hx->nal_unit_type);
+ h->nal_unit_type);
// fall through to next case
case NAL_AUXILIARY_SLICE:
- hx->nal_unit_type = NAL_FF_IGNORE;
+ h->nal_unit_type = NAL_FF_IGNORE;
}
}
err = 0;
- switch (hx->nal_unit_type) {
+ switch (h->nal_unit_type) {
case NAL_IDR_SLICE:
if ((ptr[0] & 0xFC) == 0x98) {
av_log(h->avctx, AV_LOG_ERROR, "Invalid inter IDR frame\n");
case NAL_SLICE:
init_get_bits(&sl->gb, ptr, bit_length);
- if ((err = ff_h264_decode_slice_header(hx, sl, h)))
+ if ((err = ff_h264_decode_slice_header(h, sl)))
break;
if (h->sei_recovery_frame_cnt >= 0) {
}
h->cur_pic_ptr->f.key_frame |=
- (hx->nal_unit_type == NAL_IDR_SLICE);
+ (h->nal_unit_type == NAL_IDR_SLICE);
- if (hx->nal_unit_type == NAL_IDR_SLICE ||
+ if (h->nal_unit_type == NAL_IDR_SLICE ||
h->recovery_frame == h->frame_num) {
h->recovery_frame = -1;
h->cur_pic_ptr->recovered = 1;
}
// If we have an IDR, all frames after it in decoded order are
// "recovered".
- if (hx->nal_unit_type == NAL_IDR_SLICE)
+ if (h->nal_unit_type == NAL_IDR_SLICE)
h->frame_recovered |= FRAME_RECOVERED_IDR;
h->frame_recovered |= 3*!!(avctx->flags2 & CODEC_FLAG2_SHOW_ALL);
h->frame_recovered |= 3*!!(avctx->flags & CODEC_FLAG_OUTPUT_CORRUPT);
break;
default:
av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\n",
- hx->nal_unit_type, bit_length);
+ h->nal_unit_type, bit_length);
}
if (context_count == h->max_contexts) {
av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n");
sl->ref_count[0] = sl->ref_count[1] = sl->list_count = 0;
} else if (err == SLICE_SINGLETHREAD) {
- /* Slice could not be decoded in parallel mode, copy down
- * NAL unit stuff to context 0 and restart. Note that
- * rbsp_buffer is not transferred, but since we no longer
+ /* Slice could not be decoded in parallel mode, restart. Note
+ * that rbsp_buffer is not transferred, but since we no longer
* run in parallel mode this should not be an issue. */
- h->nal_unit_type = hx->nal_unit_type;
- h->nal_ref_idc = hx->nal_ref_idc;
- hx = h;
sl = &h->slice_ctx[0];
goto again;
}
}
}
-/**
- * Replicate H264 "master" context to thread contexts.
- */
-static int clone_slice(H264Context *dst, H264Context *src)
-{
- memcpy(dst->block_offset, src->block_offset, sizeof(dst->block_offset));
- dst->cur_pic_ptr = src->cur_pic_ptr;
- dst->cur_pic = src->cur_pic;
- dst->linesize = src->linesize;
- dst->uvlinesize = src->uvlinesize;
- dst->first_field = src->first_field;
-
- dst->prev_poc_msb = src->prev_poc_msb;
- dst->prev_poc_lsb = src->prev_poc_lsb;
- dst->prev_frame_num_offset = src->prev_frame_num_offset;
- dst->prev_frame_num = src->prev_frame_num;
- dst->short_ref_count = src->short_ref_count;
-
- memcpy(dst->short_ref, src->short_ref, sizeof(dst->short_ref));
- memcpy(dst->long_ref, src->long_ref, sizeof(dst->long_ref));
- memcpy(dst->default_ref_list, src->default_ref_list, sizeof(dst->default_ref_list));
-
- memcpy(dst->dequant4_coeff, src->dequant4_coeff, sizeof(src->dequant4_coeff));
- memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff));
-
- return 0;
-}
-
static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
{
#define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \
* This will (re)intialize the decoder and call h264_frame_start() as needed.
*
* @param h h264context
- * @param h0 h264 master context (differs from 'h' when doing sliced based
- * parallel decoding)
*
* @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded
*/
-int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Context *h0)
+int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
{
unsigned int first_mb_in_slice;
unsigned int pps_id;
int must_reinit;
int needs_reinit = 0;
int field_pic_flag, bottom_field_flag;
- int first_slice = h == h0 && !h0->current_slice;
+ int first_slice = sl == h->slice_ctx && !h->current_slice;
int frame_num, picture_structure, droppable;
PPS *pps;
first_mb_in_slice = get_ue_golomb_long(&sl->gb);
if (first_mb_in_slice == 0) { // FIXME better field boundary detection
- if (h0->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
+ if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
ff_h264_field_end(h, sl, 1);
}
- h0->current_slice = 0;
- if (!h0->first_field) {
+ h->current_slice = 0;
+ if (!h->first_field) {
if (h->cur_pic_ptr && !h->droppable) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
h->picture_structure == PICT_BOTTOM_FIELD);
sl->slice_type_fixed = 0;
slice_type = golomb_to_pict_type[slice_type];
+
sl->slice_type = slice_type;
sl->slice_type_nos = slice_type & 3;
av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", pps_id);
return AVERROR_INVALIDDATA;
}
- if (!h0->pps_buffers[pps_id]) {
+ if (!h->pps_buffers[pps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing PPS %u referenced\n",
pps_id);
return AVERROR_INVALIDDATA;
}
- if (h0->au_pps_id >= 0 && pps_id != h0->au_pps_id) {
+ if (h->au_pps_id >= 0 && pps_id != h->au_pps_id) {
av_log(h->avctx, AV_LOG_ERROR,
"PPS change from %d to %d forbidden\n",
- h0->au_pps_id, pps_id);
+ h->au_pps_id, pps_id);
return AVERROR_INVALIDDATA;
}
- pps = h0->pps_buffers[pps_id];
+ pps = h->pps_buffers[pps_id];
- if (!h0->sps_buffers[pps->sps_id]) {
+ if (!h->sps_buffers[pps->sps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing SPS %u referenced\n",
h->pps.sps_id);
return AVERROR_INVALIDDATA;
}
if (first_slice)
- h->pps = *h0->pps_buffers[pps_id];
+ h->pps = *h->pps_buffers[pps_id];
if (pps->sps_id != h->sps.sps_id ||
pps->sps_id != h->current_sps_id ||
- h0->sps_buffers[pps->sps_id]->new) {
+ h->sps_buffers[pps->sps_id]->new) {
if (!first_slice) {
av_log(h->avctx, AV_LOG_ERROR,
return AVERROR_INVALIDDATA;
}
- h->sps = *h0->sps_buffers[h->pps.sps_id];
+ h->sps = *h->sps_buffers[h->pps.sps_id];
if (h->mb_width != h->sps.mb_width ||
h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) ||
|| h->mb_width != h->sps.mb_width
|| h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag)
));
- if (non_j_pixfmt(h0->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h0, 0)))
+ if (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0)))
must_reinit = 1;
if (first_slice && av_cmp_q(h->sps.sar, h->avctx->sample_aspect_ratio))
if (h->context_initialized &&
(must_reinit || needs_reinit)) {
- if (h != h0) {
+ if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"changing width %d -> %d / height %d -> %d on "
"slice %d\n",
h->width, h->avctx->coded_width,
h->height, h->avctx->coded_height,
- h0->current_slice + 1);
+ h->current_slice + 1);
return AVERROR_INVALIDDATA;
}
}
}
if (!h->context_initialized) {
- if (h != h0) {
+ if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"Cannot (re-)initialize context during parallel decoding.\n");
return AVERROR_PATCHWELCOME;
frame_num = get_bits(&sl->gb, h->sps.log2_max_frame_num);
if (!first_slice) {
- if (h0->frame_num != frame_num) {
+ if (h->frame_num != frame_num) {
av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
- h0->frame_num, frame_num);
+ h->frame_num, frame_num);
return AVERROR_INVALIDDATA;
}
}
sl->mb_mbaff = 0;
h->mb_aff_frame = 0;
- last_pic_structure = h0->picture_structure;
- last_pic_droppable = h0->droppable;
+ last_pic_structure = h->picture_structure;
+ last_pic_droppable = h->droppable;
droppable = h->nal_ref_idc == 0;
if (h->sps.frame_mbs_only_flag) {
picture_structure = PICT_FRAME;
h->mb_aff_frame = h->sps.mb_aff;
}
}
- if (h0->current_slice) {
+ if (h->current_slice) {
if (last_pic_structure != picture_structure ||
last_pic_droppable != droppable) {
av_log(h->avctx, AV_LOG_ERROR,
"Changing field mode (%d -> %d) between slices is not allowed\n",
last_pic_structure, h->picture_structure);
return AVERROR_INVALIDDATA;
- } else if (!h0->cur_pic_ptr) {
+ } else if (!h->cur_pic_ptr) {
av_log(h->avctx, AV_LOG_ERROR,
"unset cur_pic_ptr on slice %d\n",
- h0->current_slice + 1);
+ h->current_slice + 1);
return AVERROR_INVALIDDATA;
}
}
h->frame_num = frame_num;
sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
- if (h0->current_slice == 0) {
+ if (h->current_slice == 0) {
/* Shorten frame num gaps so we don't have to allocate reference
* frames just to throw them away */
if (h->frame_num != h->prev_frame_num) {
* decode frames as "finished".
* We have to do that before the "dummy" in-between frame allocation,
* since that can modify h->cur_pic_ptr. */
- if (h0->first_field) {
- assert(h0->cur_pic_ptr);
- assert(h0->cur_pic_ptr->f.buf[0]);
- assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF);
+ if (h->first_field) {
+ assert(h->cur_pic_ptr);
+ assert(h->cur_pic_ptr->f.buf[0]);
+ assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
/* Mark old field/frame as completed */
- if (h0->cur_pic_ptr->tf.owner == h0->avctx) {
- ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX,
+ if (h->cur_pic_ptr->tf.owner == h->avctx) {
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_BOTTOM_FIELD);
}
/* Previous field is unmatched. Don't display it, but let it
* remain for reference if marked as such. */
if (last_pic_structure != PICT_FRAME) {
- ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX,
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
} else {
- if (h0->cur_pic_ptr->frame_num != h->frame_num) {
+ if (h->cur_pic_ptr->frame_num != h->frame_num) {
/* This and previous field were reference, but had
* different frame_nums. Consider this field first in
* pair. Throw away previous field except for reference
* purposes. */
if (last_pic_structure != PICT_FRAME) {
- ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX,
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
} else {
}
}
- while (h->frame_num != h->prev_frame_num && !h0->first_field &&
+ while (h->frame_num != h->prev_frame_num && !h->first_field &&
h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) {
H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
h->last_pocs[i] = INT_MIN;
ret = h264_frame_start(h);
if (ret < 0) {
- h0->first_field = 0;
+ h->first_field = 0;
return ret;
}
/* See if we have a decoded first field looking for a pair...
* We're using that to see whether to continue decoding in that
* frame, or to allocate a new one. */
- if (h0->first_field) {
- assert(h0->cur_pic_ptr);
- assert(h0->cur_pic_ptr->f.buf[0]);
- assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF);
+ if (h->first_field) {
+ assert(h->cur_pic_ptr);
+ assert(h->cur_pic_ptr->f.buf[0]);
+ assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
/* figure out if we have a complementary field pair */
if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
/* Previous field is unmatched. Don't display it, but let it
* remain for reference if marked as such. */
- h0->missing_fields ++;
- h0->cur_pic_ptr = NULL;
- h0->first_field = FIELD_PICTURE(h);
+ h->missing_fields ++;
+ h->cur_pic_ptr = NULL;
+ h->first_field = FIELD_PICTURE(h);
} else {
- h0->missing_fields = 0;
- if (h0->cur_pic_ptr->frame_num != h->frame_num) {
- ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX,
- h0->picture_structure==PICT_BOTTOM_FIELD);
+ h->missing_fields = 0;
+ if (h->cur_pic_ptr->frame_num != h->frame_num) {
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
+ h->picture_structure==PICT_BOTTOM_FIELD);
/* This and the previous field had different frame_nums.
* Consider this field first in pair. Throw away previous
* one except for reference purposes. */
- h0->first_field = 1;
- h0->cur_pic_ptr = NULL;
+ h->first_field = 1;
+ h->cur_pic_ptr = NULL;
} else {
/* Second field in complementary pair */
- h0->first_field = 0;
+ h->first_field = 0;
}
}
} else {
/* Frame or first field in a potentially complementary pair */
- h0->first_field = FIELD_PICTURE(h);
+ h->first_field = FIELD_PICTURE(h);
}
- if (!FIELD_PICTURE(h) || h0->first_field) {
+ if (!FIELD_PICTURE(h) || h->first_field) {
if (h264_frame_start(h) < 0) {
- h0->first_field = 0;
+ h->first_field = 0;
return AVERROR_INVALIDDATA;
}
} else {
memset(h->slice_table, -1,
(h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
}
- h0->last_slice_type = -1;
+ h->last_slice_type = -1;
}
- if (h != h0 && (ret = clone_slice(h, h0)) < 0)
- return ret;
h->cur_pic_ptr->frame_num = h->frame_num; // FIXME frame_num cleanup
return ret;
if (slice_type != AV_PICTURE_TYPE_I &&
- (h0->current_slice == 0 ||
- slice_type != h0->last_slice_type ||
- memcmp(h0->last_ref_count, sl->ref_count, sizeof(sl->ref_count)))) {
+ (h->current_slice == 0 ||
+ slice_type != h->last_slice_type ||
+ memcmp(h->last_ref_count, sl->ref_count, sizeof(sl->ref_count)))) {
ff_h264_fill_default_ref_list(h, sl);
}
// further down the line. This may break decoding if the first slice is
// corrupt, thus we only do this if frame-mt is enabled.
if (h->nal_ref_idc) {
- ret = ff_h264_decode_ref_pic_marking(h0, &sl->gb,
+ ret = ff_h264_decode_ref_pic_marking(h, &sl->gb,
!(h->avctx->active_thread_type & FF_THREAD_FRAME) ||
- h0->current_slice == 0);
+ h->current_slice == 0);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
return AVERROR_INVALIDDATA;
}
h->nal_ref_idc == 0))
sl->deblocking_filter = 0;
- if (sl->deblocking_filter == 1 && h0->max_contexts > 1) {
+ if (sl->deblocking_filter == 1 && h->max_contexts > 1) {
if (h->avctx->flags2 & CODEC_FLAG2_FAST) {
/* Cheat slightly for speed:
* Do not bother to deblock across slices. */
sl->deblocking_filter = 2;
} else {
- h0->max_contexts = 1;
- if (!h0->single_decode_warning) {
+ h->max_contexts = 1;
+ if (!h->single_decode_warning) {
av_log(h->avctx, AV_LOG_INFO,
"Cannot parallelize slice decoding with deblocking filter type 1, decoding such frames in sequential order\n"
"To parallelize slice decoding you need video encoded with disable_deblocking_filter_idc set to 2 (deblock only edges that do not cross slices).\n"
"Setting the flags2 libavcodec option to +fast (-flags2 +fast) will disable deblocking across slices and enable parallel slice decoding "
"but will generate non-standard-compliant output.\n");
- h0->single_decode_warning = 1;
+ h->single_decode_warning = 1;
}
- if (h != h0) {
+ if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"Deblocking switched inside frame.\n");
return SLICE_SINGLETHREAD;
h->pps.chroma_qp_index_offset[1]) +
6 * (h->sps.bit_depth_luma - 8);
- h0->last_slice_type = slice_type;
- memcpy(h0->last_ref_count, sl->ref_count, sizeof(h0->last_ref_count));
- sl->slice_num = ++h0->current_slice;
+ h->last_slice_type = slice_type;
+ memcpy(h->last_ref_count, sl->ref_count, sizeof(h->last_ref_count));
+ sl->slice_num = ++h->current_slice;
if (sl->slice_num)
- h0->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
- if ( h0->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
- && h0->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
+ h->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
+ if ( h->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
+ && h->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
&& sl->slice_num >= MAX_SLICES) {
//in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
av_log(h->avctx, AV_LOG_WARNING, "Possibly too many slices (%d >= %d), increase MAX_SLICES and recompile if there are artifacts\n", sl->slice_num, MAX_SLICES);
(sl->ref_list[j][i].reference & 3);
}
- h0->au_pps_id = pps_id;
+ h->au_pps_id = pps_id;
h->sps.new =
- h0->sps_buffers[h->pps.sps_id]->new = 0;
+ h->sps_buffers[h->pps.sps_id]->new = 0;
h->current_sps_id = h->pps.sps_id;
if (h->avctx->debug & FF_DEBUG_PICT_INFO) {
static int decode_slice(struct AVCodecContext *avctx, void *arg)
{
H264SliceContext *sl = arg;
- const H264Context *h = sl->h264;
+ const H264Context *h = avctx->priv_data;
int lf_x_start = sl->mb_x;
int ret;
int ff_h264_execute_decode_slices(H264Context *h, unsigned context_count)
{
AVCodecContext *const avctx = h->avctx;
- H264Context *hx;
H264SliceContext *sl;
int i;
} else {
av_assert0(context_count > 0);
for (i = 1; i < context_count; i++) {
- hx = h->thread_context[i];
sl = &h->slice_ctx[i];
if (CONFIG_ERROR_RESILIENCE) {
sl->er.error_count = 0;
}
- hx->x264_build = h->x264_build;
}
avctx->execute(avctx, decode_slice, h->slice_ctx,
NULL, context_count, sizeof(h->slice_ctx[0]));
/* pull back stuff from slices to master context */
- hx = h->thread_context[context_count - 1];
sl = &h->slice_ctx[context_count - 1];
h->mb_y = sl->mb_y;
- h->droppable = hx->droppable;
- h->picture_structure = hx->picture_structure;
if (CONFIG_ERROR_RESILIENCE) {
for (i = 1; i < context_count; i++)
h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
projects / ffmpeg / commitdiff