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rtpdec: factorize identical code used in several handlers

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This commit is contained in:
Anton Khirnov 2012-11-01 14:03:04 +01:00
parent f70381ab9d
commit 179a5c37e0
7 changed files with 34 additions and 42 deletions
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11
libavformat/rtpdec.c
View File

@ -803,3 +803,14 @@ int ff_parse_fmtp(AVStream *stream, PayloadContext *data, const char *p,
av_free(value);
return 0;
}
int ff_rtp_finalize_packet(AVPacket *pkt, AVIOContext **dyn_buf, int stream_idx)
{
av_init_packet(pkt);
pkt->size = avio_close_dyn_buf(*dyn_buf, &pkt->data);
pkt->stream_index = stream_idx;
pkt->destruct = av_destruct_packet;
*dyn_buf = NULL;
return pkt->size;
}

5
libavformat/rtpdec.h
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@ -202,4 +202,9 @@ int ff_parse_fmtp(AVStream *stream, PayloadContext *data, const char *p,
void av_register_rtp_dynamic_payload_handlers(void);
/**
* Close the dynamic buffer and make a packet from it.
*/
int ff_rtp_finalize_packet(AVPacket *pkt, AVIOContext **dyn_buf, int stream_idx);
#endif /* AVFORMAT_RTPDEC_H */

12
libavformat/rtpdec_h263_rfc2190.c
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@ -61,7 +61,7 @@ static int h263_handle_packet(AVFormatContext *ctx, PayloadContext *data,
{
/* Corresponding to header fields in the RFC */
int f, p, i, sbit, ebit, src, r;
int header_size;
int header_size, ret;
if (data->newformat)
return ff_h263_handle_packet(ctx, data, st, pkt, timestamp, buf, len,
@ -133,7 +133,7 @@ static int h263_handle_packet(AVFormatContext *ctx, PayloadContext *data,
/* Check the picture start code, only start buffering a new frame
* if this is correct */
if (len > 4 && AV_RB32(buf) >> 10 == 0x20) {
int ret = avio_open_dyn_buf(&data->buf);
ret = avio_open_dyn_buf(&data->buf);
if (ret < 0)
return ret;
data->timestamp = *timestamp;
@ -185,13 +185,11 @@ static int h263_handle_packet(AVFormatContext *ctx, PayloadContext *data,
avio_w8(data->buf, data->endbyte);
data->endbyte_bits = 0;
av_init_packet(pkt);
pkt->size = avio_close_dyn_buf(data->buf, &pkt->data);
pkt->destruct = av_destruct_packet;
pkt->stream_index = st->index;
ret = ff_rtp_finalize_packet(pkt, &data->buf, st->index);
if (ret < 0)
return ret;
if (!i)
pkt->flags |= AV_PKT_FLAG_KEY;
data->buf = NULL;
return 0;
}

13
libavformat/rtpdec_jpeg.c
View File

@ -20,6 +20,7 @@
*/
#include "avformat.h"
#include "rtpdec.h"
#include "rtpdec_formats.h"
#include "libavutil/intreadwrite.h"
#include "libavcodec/mjpeg.h"
@ -367,19 +368,11 @@ static int jpeg_parse_packet(AVFormatContext *ctx, PayloadContext *jpeg,
avio_write(jpeg->frame, buf, sizeof(buf));
/* Prepare the JPEG packet. */
av_init_packet(pkt);
pkt->size = avio_close_dyn_buf(jpeg->frame, &pkt->data);
if (pkt->size < 0) {
if ((ret = ff_rtp_finalize_packet(pkt, &jpeg->frame, st->index)) < 0) {
av_log(ctx, AV_LOG_ERROR,
"Error occured when getting frame buffer.\n");
jpeg->frame = NULL;
return pkt->size;
return ret;
}
pkt->stream_index = st->index;
pkt->destruct = av_destruct_packet;
/* Re-init the frame buffer. */
jpeg->frame = NULL;
return 0;
}

9
libavformat/rtpdec_svq3.c
View File

@ -97,12 +97,11 @@ static int svq3_parse_packet (AVFormatContext *s, PayloadContext *sv,
avio_write(sv->pktbuf, buf, len);
if (end_packet) {
av_init_packet(pkt);
pkt->stream_index = st->index;
int ret = ff_rtp_finalize_packet(pkt, &sv->pktbuf, st->index);
if (ret < 0)
return ret;
*timestamp = sv->timestamp;
pkt->size = avio_close_dyn_buf(sv->pktbuf, &pkt->data);
pkt->destruct = av_destruct_packet;
sv->pktbuf = NULL;
return 0;
}

13
libavformat/rtpdec_vp8.c
View File

@ -36,15 +36,6 @@ struct PayloadContext {
uint32_t timestamp;
};
static void prepare_packet(AVPacket *pkt, PayloadContext *vp8, int stream)
{
av_init_packet(pkt);
pkt->stream_index = stream;
pkt->size = avio_close_dyn_buf(vp8->data, &pkt->data);
pkt->destruct = av_destruct_packet;
vp8->data = NULL;
}
static int vp8_handle_packet(AVFormatContext *ctx,
PayloadContext *vp8,
AVStream *st,
@ -133,7 +124,9 @@ static int vp8_handle_packet(AVFormatContext *ctx,
avio_write(vp8->data, buf, len);
if (end_packet) {
prepare_packet(pkt, vp8, st->index);
int ret = ff_rtp_finalize_packet(pkt, &vp8->data, st->index);
if (ret < 0)
return ret;
return 0;
}

13
libavformat/rtpdec_xiph.c
View File

@ -202,20 +202,13 @@ static int xiph_handle_packet(AVFormatContext * ctx,
if (fragmented == 3) {
// end of xiph data packet
av_init_packet(pkt);
pkt->size = avio_close_dyn_buf(data->fragment, &pkt->data);
if (pkt->size < 0) {
int ret = ff_rtp_finalize_packet(pkt, &data->fragment, st->index);
if (ret < 0) {
av_log(ctx, AV_LOG_ERROR,
"Error occurred when getting fragment buffer.");
return pkt->size;
return ret;
}
pkt->stream_index = st->index;
pkt->destruct = av_destruct_packet;
data->fragment = NULL;
return 0;
}
}