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avcodec/libwebpenc_animencoder: set the correct packet pts 

The only packet produced by this encoder contains the entire animated stream,
so set its pts to the first frame encoded.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-04-10 23:06:36 -03:00
parent ab7a0a4cc2
commit 2e17b169f7
1 changed files with 5 additions and 4 deletions
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9
libavcodec/libwebpenc_animencoder.c
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@ -32,7 +32,7 @@
typedef struct LibWebPAnimContext {
LibWebPContextCommon cc;
WebPAnimEncoder *enc; // the main AnimEncoder object
int64_t prev_frame_pts; // pts of the previously encoded frame.
int64_t first_frame_pts; // pts of the first encoded frame.
int done; // If true, we have assembled the bitstream already
} LibWebPAnimContext;
@ -48,7 +48,7 @@ static av_cold int libwebp_anim_encode_init(AVCodecContext *avctx)
s->enc = WebPAnimEncoderNew(avctx->width, avctx->height, &enc_options);
if (!s->enc)
return AVERROR(EINVAL);
s->prev_frame_pts = -1;
s->first_frame_pts = AV_NOPTS_VALUE;
s->done = 0;
}
return ret;
@ -73,7 +73,7 @@ static int libwebp_anim_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
memcpy(pkt->data, assembled_data.bytes, assembled_data.size);
s->done = 1;
pkt->flags |= AV_PKT_FLAG_KEY;
pkt->pts = pkt->dts = s->prev_frame_pts + 1;
pkt->pts = pkt->dts = s->first_frame_pts;
*got_packet = 1;
return 0;
} else {
@ -102,7 +102,8 @@ static int libwebp_anim_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
goto end;
}
s->prev_frame_pts = frame->pts; // Save for next frame.
if (!avctx->frame_number)
s->first_frame_pts = frame->pts;
ret = 0;
*got_packet = 0;