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avformat/matroskadec: use av_packet_alloc() to allocate packets

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-01-29 10:42:48 -03:00
parent f57a258223
commit 8d78e90a6b
1 changed files with 12 additions and 5 deletions
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17
libavformat/matroskadec.c
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@ -381,6 +381,8 @@ typedef struct MatroskaDemuxContext {
/* byte position of the segment inside the stream */
int64_t segment_start;
AVPacket *pkt;
/* the packet queue */
PacketList *queue;
PacketList *queue_end;
@ -2943,6 +2945,10 @@ static int matroska_read_header(AVFormatContext *s)
}
ebml_free(ebml_syntax, &ebml);
matroska->pkt = av_packet_alloc();
if (!matroska->pkt)
return AVERROR(ENOMEM);
/* The next thing is a segment. */
pos = avio_tell(matroska->ctx->pb);
res = ebml_parse(matroska, matroska_segments, matroska);
@ -3006,7 +3012,7 @@ static int matroska_read_header(AVFormatContext *s)
st->disposition |= AV_DISPOSITION_ATTACHED_PIC;
st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
av_init_packet(pkt);
av_packet_unref(pkt);
pkt->buf = attachments[j].bin.buf;
attachments[j].bin.buf = NULL;
pkt->data = attachments[j].bin.data;
@ -3238,7 +3244,7 @@ static int matroska_parse_rm_audio(MatroskaDemuxContext *matroska,
while (track->audio.pkt_cnt) {
int ret;
AVPacket pktl, *pkt = &pktl;
AVPacket *pkt = matroska->pkt;
ret = av_new_packet(pkt, a);
if (ret < 0) {
@ -3375,7 +3381,7 @@ static int matroska_parse_webvtt(MatroskaDemuxContext *matroska,
uint64_t duration,
int64_t pos)
{
AVPacket pktl, *pkt = &pktl;
AVPacket *pkt = matroska->pkt;
uint8_t *id, *settings, *text, *buf;
int id_len, settings_len, text_len;
uint8_t *p, *q;
@ -3492,7 +3498,7 @@ static int matroska_parse_frame(MatroskaDemuxContext *matroska,
{
uint8_t *pkt_data = data;
int res = 0;
AVPacket pktl, *pkt = &pktl;
AVPacket *pkt = matroska->pkt;
if (st->codecpar->codec_id == AV_CODEC_ID_WAVPACK) {
res = matroska_parse_wavpack(track, &pkt_data, &pkt_size);
@ -3522,7 +3528,7 @@ static int matroska_parse_frame(MatroskaDemuxContext *matroska,
if (!pkt_size && !additional_size)
goto no_output;
av_init_packet(pkt);
av_packet_unref(pkt);
if (!buf)
pkt->buf = av_buffer_create(pkt_data, pkt_size + AV_INPUT_BUFFER_PADDING_SIZE,
NULL, NULL, 0);
@ -3896,6 +3902,7 @@ static int matroska_read_close(AVFormatContext *s)
int n;
matroska_clear_queue(matroska);
av_packet_free(&matroska->pkt);
for (n = 0; n < matroska->tracks.nb_elem; n++)
if (tracks[n].type == MATROSKA_TRACK_TYPE_AUDIO)