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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

Merge commit 'a717f9904227d7979473bad40c50eb40af41d01d'

* commit 'a717f9904227d7979473bad40c50eb40af41d01d':
  mpegts: Share the cleanup code between the demuxer and lavf-internal parser functions
  rtpdec_mpeg4: Return one AAC AU per AVPacket
  ppc: Include string.h for memset

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-21 13:45:32 +01:00
commit c3f3c22563
3 changed files with 40 additions and 18 deletions

View File

@ -18,6 +18,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"

View File

@ -2144,16 +2144,20 @@ static int mpegts_read_packet(AVFormatContext *s,
return ret;
}
static int mpegts_read_close(AVFormatContext *s)
static void mpegts_free(MpegTSContext *ts)
{
MpegTSContext *ts = s->priv_data;
int i;
clear_programs(ts);
for(i=0;i<NB_PID_MAX;i++)
if (ts->pids[i]) mpegts_close_filter(ts, ts->pids[i]);
}
static int mpegts_read_close(AVFormatContext *s)
{
MpegTSContext *ts = s->priv_data;
mpegts_free(ts);
return 0;
}
@ -2267,10 +2271,7 @@ int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
void ff_mpegts_parse_close(MpegTSContext *ts)
{
int i;
for(i=0;i<NB_PID_MAX;i++)
av_free(ts->pids[i]);
mpegts_free(ts);
av_free(ts);
}

View File

@ -57,6 +57,9 @@ struct PayloadContext {
int nb_au_headers;
int au_headers_length_bytes;
int cur_au_index;
uint8_t buf[RTP_MAX_PACKET_LENGTH];
int buf_pos, buf_size;
};
typedef struct {
@ -149,18 +152,11 @@ static int rtp_parse_mp4_au(PayloadContext *data, const uint8_t *buf, int len)
data->au_headers_allocated = data->nb_au_headers;
}
/* XXX: We handle multiple AU Section as only one (need to fix this for interleaving)
In my test, the FAAD decoder does not behave correctly when sending each AU one by one
but does when sending the whole as one big packet... */
data->au_headers[0].size = 0;
data->au_headers[0].index = 0;
for (i = 0; i < data->nb_au_headers; ++i) {
data->au_headers[0].size += get_bits_long(&getbitcontext, data->sizelength);
data->au_headers[0].index = get_bits_long(&getbitcontext, data->indexlength);
data->au_headers[i].size = get_bits_long(&getbitcontext, data->sizelength);
data->au_headers[i].index = get_bits_long(&getbitcontext, data->indexlength);
}
data->nb_au_headers = 1;
return 0;
}
@ -172,21 +168,44 @@ static int aac_parse_packet(AVFormatContext *ctx, PayloadContext *data,
int flags)
{
int ret;
if (!buf) {
if (data->cur_au_index > data->nb_au_headers)
return AVERROR_INVALIDDATA;
if (data->buf_size - data->buf_pos < data->au_headers[data->cur_au_index].size)
return AVERROR_INVALIDDATA;
if ((ret = av_new_packet(pkt, data->au_headers[data->cur_au_index].size)) < 0)
return ret;
memcpy(pkt->data, &data->buf[data->buf_pos], data->au_headers[data->cur_au_index].size);
data->buf_pos += data->au_headers[data->cur_au_index].size;
pkt->stream_index = st->index;
data->cur_au_index++;
return data->cur_au_index < data->nb_au_headers;
}
if (rtp_parse_mp4_au(data, buf, len))
return -1;
buf += data->au_headers_length_bytes + 2;
len -= data->au_headers_length_bytes + 2;
/* XXX: Fixme we only handle the case where rtp_parse_mp4_au define
one au_header */
if (len < data->au_headers[0].size)
return AVERROR_INVALIDDATA;
if ((ret = av_new_packet(pkt, data->au_headers[0].size)) < 0)
return ret;
memcpy(pkt->data, buf, data->au_headers[0].size);
len -= data->au_headers[0].size;
buf += data->au_headers[0].size;
pkt->stream_index = st->index;
if (len > 0 && data->nb_au_headers > 1) {
data->buf_size = FFMIN(len, sizeof(data->buf));
memcpy(data->buf, buf, data->buf_size);
data->cur_au_index = 1;
data->buf_pos = 0;
return 1;
}
return 0;
}