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rtpenc_chain: Return an error code instead of just a plain pointer

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Also check the return value in sapenc.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-05-25 22:26:00 +03:00
parent 93cef6f923
commit 68c813081b
5 changed files with 29 additions and 18 deletions
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6
libavformat/movenchint.c
View File

@ -43,9 +43,9 @@ int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index)
track->enc->codec_type = AVMEDIA_TYPE_DATA;
track->enc->codec_tag = track->tag;
track->rtp_ctx = ff_rtp_chain_mux_open(s, src_st, NULL,
RTP_MAX_PACKET_SIZE);
if (!track->rtp_ctx)
ret = ff_rtp_chain_mux_open(&track->rtp_ctx, s, src_st, NULL,
RTP_MAX_PACKET_SIZE);
if (ret < 0)
goto fail;
/* Copy the RTP AVStream timebase back to the hint AVStream */

23
libavformat/rtpenc_chain.c
View File

@ -25,8 +25,8 @@
#include "avio_internal.h"
#include "libavutil/opt.h"
AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
URLContext *handle, int packet_size)
int ff_rtp_chain_mux_open(AVFormatContext **out, AVFormatContext *s,
AVStream *st, URLContext *handle, int packet_size)
{
AVFormatContext *rtpctx = NULL;
int ret;
@ -34,17 +34,23 @@ AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
uint8_t *rtpflags;
AVDictionary *opts = NULL;
if (!rtp_format)
if (!rtp_format) {
ret = AVERROR(ENOSYS);
goto fail;
}
/* Allocate an AVFormatContext for each output stream */
rtpctx = avformat_alloc_context();
if (!rtpctx)
if (!rtpctx) {
ret = AVERROR(ENOMEM);
goto fail;
}
rtpctx->oformat = rtp_format;
if (!avformat_new_stream(rtpctx, NULL))
if (!avformat_new_stream(rtpctx, NULL)) {
ret = AVERROR(ENOMEM);
goto fail;
}
/* Pass the interrupt callback on */
rtpctx->interrupt_callback = s->interrupt_callback;
/* Copy the max delay setting; the rtp muxer reads this. */
@ -76,14 +82,15 @@ AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
av_free(ptr);
}
avformat_free_context(rtpctx);
return NULL;
return ret;
}
return rtpctx;
*out = rtpctx;
return 0;
fail:
av_free(rtpctx);
if (handle)
ffurl_close(handle);
return NULL;
return ret;
}

4
libavformat/rtpenc_chain.h
View File

@ -25,7 +25,7 @@
#include "avformat.h"
#include "url.h"
AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
URLContext *handle, int packet_size);
int ff_rtp_chain_mux_open(AVFormatContext **out, AVFormatContext *s,
AVStream *st, URLContext *handle, int packet_size);
#endif /* AVFORMAT_RTPENC_CHAIN_H */

8
libavformat/rtsp.c
View File

@ -606,11 +606,13 @@ static int rtsp_open_transport_ctx(AVFormatContext *s, RTSPStream *rtsp_st)
s->ctx_flags |= AVFMTCTX_NOHEADER;
if (s->oformat && CONFIG_RTSP_MUXER) {
rtsp_st->transport_priv = ff_rtp_chain_mux_open(s, st,
rtsp_st->rtp_handle,
RTSP_TCP_MAX_PACKET_SIZE);
int ret = ff_rtp_chain_mux_open(&rtsp_st->transport_priv, s, st,
rtsp_st->rtp_handle,
RTSP_TCP_MAX_PACKET_SIZE);
/* Ownership of rtp_handle is passed to the rtp mux context */
rtsp_st->rtp_handle = NULL;
if (ret < 0)
return ret;
} else if (rt->transport == RTSP_TRANSPORT_RDT && CONFIG_RTPDEC)
rtsp_st->transport_priv = ff_rdt_parse_open(s, st->index,
rtsp_st->dynamic_protocol_context,

6
libavformat/sapenc.c
View File

@ -150,8 +150,10 @@ static int sap_write_header(AVFormatContext *s)
ret = AVERROR(EIO);
goto fail;
}
s->streams[i]->priv_data = contexts[i] =
ff_rtp_chain_mux_open(s, s->streams[i], fd, 0);
ret = ff_rtp_chain_mux_open(&contexts[i], s, s->streams[i], fd, 0);
if (ret < 0)
goto fail;
s->streams[i]->priv_data = contexts[i];
av_strlcpy(contexts[i]->filename, url, sizeof(contexts[i]->filename));
}