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Code Issues Releases Activity

avdevice/lavfi: Use av_packet_pack_dictionary() to pack dictionary

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-08-30 07:02:16 +02:00
parent 7ad085b2c4
commit 26469aebd3
1 changed files with 7 additions and 16 deletions
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23
libavdevice/lavfi.c
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@ -444,25 +444,16 @@ static int lavfi_read_packet(AVFormatContext *avctx, AVPacket *pkt)
frame_metadata = frame->metadata;
if (frame_metadata) {
uint8_t *metadata;
AVDictionaryEntry *e = NULL;
AVBPrint meta_buf;
int size;
uint8_t *metadata = av_packet_pack_dictionary(frame_metadata, &size);
av_bprint_init(&meta_buf, 0, AV_BPRINT_SIZE_UNLIMITED);
while ((e = av_dict_get(frame_metadata, "", e, AV_DICT_IGNORE_SUFFIX))) {
av_bprintf(&meta_buf, "%s", e->key);
av_bprint_chars(&meta_buf, '\0', 1);
av_bprintf(&meta_buf, "%s", e->value);
av_bprint_chars(&meta_buf, '\0', 1);
}
if (!av_bprint_is_complete(&meta_buf) ||
!(metadata = av_packet_new_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA,
meta_buf.len))) {
av_bprint_finalize(&meta_buf, NULL);
if (!metadata)
return AVERROR(ENOMEM);
if ((ret = av_packet_add_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA,
metadata, size)) < 0) {
av_freep(&metadata);
return ret;
}
memcpy(metadata, meta_buf.str, meta_buf.len);
av_bprint_finalize(&meta_buf, NULL);
}
if ((ret = create_subcc_packet(avctx, frame, min_pts_sink_idx)) < 0) {