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Code Issues Releases Activity

avcodec/av1_frame_merge_bsf: Use separate contexts for reading/writing

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Based on code from 235a5734e0

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-07-07 22:29:47 -03:00
parent c91be9de4c
commit 2493944e31
1 changed files with 12 additions and 5 deletions
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17
libavcodec/av1_frame_merge_bsf.c
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@ -24,7 +24,8 @@
#include "cbs_av1.h"
typedef struct AV1FMergeContext {
CodedBitstreamContext *cbc;
CodedBitstreamContext *input;
CodedBitstreamContext *output;
CodedBitstreamFragment frag[2];
AVPacket *pkt, *in;
int idx;
@ -54,7 +55,7 @@ static int av1_frame_merge_filter(AVBSFContext *bsf, AVPacket *out)
return err;
}
err = ff_cbs_read_packet(ctx->cbc, frag, in);
err = ff_cbs_read_packet(ctx->input, frag, in);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to read packet.\n");
goto fail;
@ -82,7 +83,7 @@ static int av1_frame_merge_filter(AVBSFContext *bsf, AVPacket *out)
if (tu->nb_units > 0 && frag->units[0].type == AV1_OBU_TEMPORAL_DELIMITER) {
eof:
err = ff_cbs_write_packet(ctx->cbc, buffer_pkt, tu);
err = ff_cbs_write_packet(ctx->output, buffer_pkt, tu);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to write packet.\n");
goto fail;
@ -120,13 +121,18 @@ fail:
static int av1_frame_merge_init(AVBSFContext *bsf)
{
AV1FMergeContext *ctx = bsf->priv_data;
int err;
ctx->in = av_packet_alloc();
ctx->pkt = av_packet_alloc();
if (!ctx->in || !ctx->pkt)
return AVERROR(ENOMEM);
return ff_cbs_init(&ctx->cbc, AV_CODEC_ID_AV1, bsf);
err = ff_cbs_init(&ctx->input, AV_CODEC_ID_AV1, bsf);
if (err < 0)
return err;
return ff_cbs_init(&ctx->output, AV_CODEC_ID_AV1, bsf);
}
static void av1_frame_merge_close(AVBSFContext *bsf)
@ -137,7 +143,8 @@ static void av1_frame_merge_close(AVBSFContext *bsf)
ff_cbs_fragment_free(&ctx->frag[1]);
av_packet_free(&ctx->in);
av_packet_free(&ctx->pkt);
ff_cbs_close(&ctx->cbc);
ff_cbs_close(&ctx->input);
ff_cbs_close(&ctx->output);
}
static const enum AVCodecID av1_frame_merge_codec_ids[] = {