#include "golomb.h"
#include "mathops.h"
#include "mpegutils.h"
+#include "mpegvideo.h"
#include "rectangle.h"
#include "thread.h"
return 0;
}
+static int h264_select_output_frame(H264Context *h)
+{
+ const SPS *sps = h->ps.sps;
+ H264Picture *out = h->cur_pic_ptr;
+ H264Picture *cur = h->cur_pic_ptr;
+ int i, pics, out_of_order, out_idx;
+
+ cur->mmco_reset = h->mmco_reset;
+ h->mmco_reset = 0;
+
+ if (sps->bitstream_restriction_flag ||
+ h->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
+ h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, sps->num_reorder_frames);
+ }
+
+ for (i = 0; 1; i++) {
+ if(i == MAX_DELAYED_PIC_COUNT || cur->poc < h->last_pocs[i]){
+ if(i)
+ h->last_pocs[i-1] = cur->poc;
+ break;
+ } else if(i) {
+ h->last_pocs[i-1]= h->last_pocs[i];
+ }
+ }
+ out_of_order = MAX_DELAYED_PIC_COUNT - i;
+ if( cur->f->pict_type == AV_PICTURE_TYPE_B
+ || (h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > INT_MIN && h->last_pocs[MAX_DELAYED_PIC_COUNT-1] - h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > 2))
+ out_of_order = FFMAX(out_of_order, 1);
+ if (out_of_order == MAX_DELAYED_PIC_COUNT) {
+ av_log(h->avctx, AV_LOG_VERBOSE, "Invalid POC %d<%d\n", cur->poc, h->last_pocs[0]);
+ for (i = 1; i < MAX_DELAYED_PIC_COUNT; i++)
+ h->last_pocs[i] = INT_MIN;
+ h->last_pocs[0] = cur->poc;
+ cur->mmco_reset = 1;
+ } else if(h->avctx->has_b_frames < out_of_order && !sps->bitstream_restriction_flag){
+ int loglevel = h->avctx->frame_number > 1 ? AV_LOG_WARNING : AV_LOG_VERBOSE;
+ av_log(h->avctx, loglevel, "Increasing reorder buffer to %d\n", out_of_order);
+ h->avctx->has_b_frames = out_of_order;
+ }
+
+ pics = 0;
+ while (h->delayed_pic[pics])
+ pics++;
+
+ av_assert0(pics <= MAX_DELAYED_PIC_COUNT);
+
+ h->delayed_pic[pics++] = cur;
+ if (cur->reference == 0)
+ cur->reference = DELAYED_PIC_REF;
+
+ out = h->delayed_pic[0];
+ out_idx = 0;
+ for (i = 1; h->delayed_pic[i] &&
+ !h->delayed_pic[i]->f->key_frame &&
+ !h->delayed_pic[i]->mmco_reset;
+ i++)
+ if (h->delayed_pic[i]->poc < out->poc) {
+ out = h->delayed_pic[i];
+ out_idx = i;
+ }
+ if (h->avctx->has_b_frames == 0 &&
+ (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset))
+ h->next_outputed_poc = INT_MIN;
+ out_of_order = out->poc < h->next_outputed_poc;
+
+ if (out_of_order || pics > h->avctx->has_b_frames) {
+ out->reference &= ~DELAYED_PIC_REF;
+ for (i = out_idx; h->delayed_pic[i]; i++)
+ h->delayed_pic[i] = h->delayed_pic[i + 1];
+ }
+ if (!out_of_order && pics > h->avctx->has_b_frames) {
+ h->next_output_pic = out;
+ if (out_idx == 0 && h->delayed_pic[0] && (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset)) {
+ h->next_outputed_poc = INT_MIN;
+ } else
+ h->next_outputed_poc = out->poc;
+
+ if (out->recovered) {
+ // We have reached an recovery point and all frames after it in
+ // display order are "recovered".
+ h->frame_recovered |= FRAME_RECOVERED_SEI;
+ }
+ out->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_SEI);
+
+ if (!out->recovered) {
+ if (!(h->avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) &&
+ !(h->avctx->flags2 & AV_CODEC_FLAG2_SHOW_ALL)) {
+ h->next_output_pic = NULL;
+ } else {
+ out->f->flags |= AV_FRAME_FLAG_CORRUPT;
+ }
+ }
+ } else {
+ av_log(h->avctx, AV_LOG_DEBUG, "no picture %s\n", out_of_order ? "ooo" : "");
+ }
+
+ return 0;
+}
+
/* This function is called right after decoding the slice header for a first
* slice in a field (or a frame). It decides whether we are decoding a new frame
* or a second field in a pair and does the necessary setup.
h->short_ref[0]->f->width == prev->f->width &&
h->short_ref[0]->f->height == prev->f->height &&
h->short_ref[0]->f->format == prev->f->format) {
+ ff_thread_await_progress(&prev->tf, INT_MAX, 0);
+ if (prev->field_picture)
+ ff_thread_await_progress(&prev->tf, INT_MAX, 1);
av_image_copy(h->short_ref[0]->f->data,
h->short_ref[0]->f->linesize,
(const uint8_t **)prev->f->data,
/* Set the frame properties/side data. Only done for the second field in
* field coded frames, since some SEI information is present for each field
* and is merged by the SEI parsing code. */
- if (!FIELD_PICTURE(h) || !h->first_field) {
+ if (!FIELD_PICTURE(h) || !h->first_field || h->missing_fields > 1) {
ret = h264_export_frame_props(h);
if (ret < 0)
return ret;
+
+ ret = h264_select_output_frame(h);
+ if (ret < 0)
+ return ret;
}
return 0;
if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
ret = ff_h264_field_end(h, h->slice_ctx, 1);
- h->current_slice = 0;
if (ret < 0)
return ret;
} else if (h->cur_pic_ptr && !FIELD_PICTURE(h) && !h->first_field && h->nal_unit_type == H264_NAL_IDR_SLICE) {
av_log(h, AV_LOG_WARNING, "Broken frame packetizing\n");
ret = ff_h264_field_end(h, h->slice_ctx, 1);
- h->current_slice = 0;
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
h->cur_pic_ptr = NULL;
projects / ffmpeg / blobdiff