@@ -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;
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> --- Now setting pts to the value of the first frame as requested. libavcodec/libwebpenc_animencoder.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)