static int vp9_raw_reorder_make_output(AVBSFContext *bsf, AVPacket *out, VP9RawReorderFrame *last_frame) { VP9RawReorderContext *ctx = bsf->priv_data; VP9RawReorderFrame *next_output = last_frame, *next_display = last_frame, *frame; int s, err; for (s = 0; s < FRAME_SLOTS; s++) { frame = ctx->slot[s]; if (!frame) continue; if (frame->needs_output && (!next_output || frame->sequence < next_output->sequence)) next_output = frame; if (frame->needs_display && (!next_display || frame->pts < next_display->pts)) next_display = frame; } if (!next_output && !next_display) return AVERROR_EOF; if (!next_display || (next_output && next_output->sequence < next_display->sequence)) frame = next_output; else frame = next_display; if (frame->needs_output && frame->needs_display && next_output == next_display) { av_log(bsf, AV_LOG_DEBUG, "Output and display frame " "%"PRId64" (%"PRId64") in order.\n", frame->sequence, frame->pts); av_packet_move_ref(out, frame->packet); frame->needs_output = frame->needs_display = 0; } else if (frame->needs_output) { if (frame->needs_display) { av_log(bsf, AV_LOG_DEBUG, "Output frame %"PRId64" " "(%"PRId64") for later display.\n", frame->sequence, frame->pts); } else { av_log(bsf, AV_LOG_DEBUG, "Output unshown frame " "%"PRId64" (%"PRId64") to keep order.\n", frame->sequence, frame->pts); } av_packet_move_ref(out, frame->packet); out->pts = out->dts; frame->needs_output = 0; } else { PutBitContext pb; av_assert0(!frame->needs_output && frame->needs_display); if (frame->slots == 0) { av_log(bsf, AV_LOG_ERROR, "Attempting to display frame " "which is no longer available?\n"); frame->needs_display = 0; return AVERROR_INVALIDDATA; } s = ff_ctz(frame->slots); av_assert0(s < FRAME_SLOTS); av_log(bsf, AV_LOG_DEBUG, "Display frame %"PRId64" " "(%"PRId64") from slot %d.\n", frame->sequence, frame->pts, s); frame->packet = av_packet_alloc(); if (!frame->packet) return AVERROR(ENOMEM); err = av_new_packet(out, 2); if (err < 0) return err; init_put_bits(&pb, out->data, 2); // frame_marker put_bits(&pb, 2, 2); // profile_low_bit put_bits(&pb, 1, frame->profile & 1); // profile_high_bit put_bits(&pb, 1, (frame->profile >> 1) & 1); if (frame->profile == 3) { // reserved_zero put_bits(&pb, 1, 0); } // show_existing_frame put_bits(&pb, 1, 1); // frame_to_show_map_idx put_bits(&pb, 3, s); while (put_bits_count(&pb) < 16) put_bits(&pb, 1, 0); flush_put_bits(&pb); out->pts = out->dts = frame->pts; frame->needs_display = 0; } return 0; }
static int vp9_raw_reorder_make_output(AVBSFContext *bsf, AVPacket *out, VP9RawReorderFrame *last_frame) { VP9RawReorderContext *ctx = bsf->priv_data; VP9RawReorderFrame *next_output = last_frame, *next_display = last_frame, *frame; int s, err; for (s = 0; s < FRAME_SLOTS; s++) { frame = ctx->slot[s]; if (!frame) continue; if (frame->needs_output && (!next_output || frame->sequence < next_output->sequence)) next_output = frame; if (frame->needs_display && (!next_display || frame->pts < next_display->pts)) next_display = frame; } if (!next_output && !next_display) return AVERROR_EOF; if (!next_display || (next_output && next_output->sequence < next_display->sequence)) frame = next_output; else frame = next_display; if (frame->needs_output && frame->needs_display && next_output == next_display) { av_log(bsf, AV_LOG_DEBUG, "Output and display frame " "%"PRId64" (%"PRId64") in order.\n", frame->sequence, frame->pts); av_packet_move_ref(out, frame->packet); frame->needs_output = frame->needs_display = 0; } else if (frame->needs_output) { if (frame->needs_display) { av_log(bsf, AV_LOG_DEBUG, "Output frame %"PRId64" " "(%"PRId64") for later display.\n", frame->sequence, frame->pts); } else { av_log(bsf, AV_LOG_DEBUG, "Output unshown frame " "%"PRId64" (%"PRId64") to keep order.\n", frame->sequence, frame->pts); } av_packet_move_ref(out, frame->packet); out->pts = out->dts; frame->needs_output = 0; } else { PutBitContext pb; av_assert0(!frame->needs_output && frame->needs_display); if (frame->slots == 0) { av_log(bsf, AV_LOG_ERROR, "Attempting to display frame " "which is no longer available?\n"); frame->needs_display = 0; return AVERROR_INVALIDDATA; } s = ff_ctz(frame->slots); av_assert0(s < FRAME_SLOTS); av_log(bsf, AV_LOG_DEBUG, "Display frame %"PRId64" " "(%"PRId64") from slot %d.\n", frame->sequence, frame->pts, s); frame->packet = av_packet_alloc(); if (!frame->packet) return AVERROR(ENOMEM); err = av_new_packet(out, 2); if (err < 0) return err; init_put_bits(&pb, out->data, 2);  