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backport latest ffserver fixes like memory leaks and invalid reads

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Patches by Howard Chu, hyc at highlandsun dot com


backport r23290-23295 by mstorsjo


Originally committed as revision 23382 to svn://svn.ffmpeg.org/ffmpeg/branches/0.6
This commit is contained in:
Reinhard Tartler 2010-05-29 14:40:31 +00:00
parent 8f3504c3ca
commit 2a546cecbf
1 changed files with 25 additions and 9 deletions
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34
ffserver.c
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@ -847,6 +847,8 @@ static void close_connection(HTTPContext *c)
ctx = c->rtp_ctx[i];
if (ctx) {
av_write_trailer(ctx);
av_metadata_free(&ctx->metadata);
av_free(ctx->streams[0]);
av_free(ctx);
}
h = c->rtp_handles[i];
@ -2280,6 +2282,7 @@ static int http_prepare_data(HTTPContext *c)
http_log("Error writing output header\n");
return -1;
}
av_metadata_free(&c->fmt_ctx.metadata);
len = url_close_dyn_buf(c->fmt_ctx.pb, &c->pb_buffer);
c->buffer_ptr = c->pb_buffer;
@ -2343,7 +2346,7 @@ static int http_prepare_data(HTTPContext *c)
}
}
for(i=0;i<c->stream->nb_streams;i++) {
if (c->feed_streams[i] == pkt.stream_index) {
if (c->stream->feed_streams[i] == pkt.stream_index) {
AVStream *st = c->fmt_in->streams[source_index];
pkt.stream_index = i;
if (pkt.flags & AV_PKT_FLAG_KEY &&
@ -2879,7 +2882,7 @@ static int rtsp_parse_request(HTTPContext *c)
if (*p == '\n')
p++;
while (*p != '\0') {
p1 = strchr(p, '\n');
p1 = memchr(p, '\n', (char *)c->buffer_ptr - p);
if (!p1)
break;
p2 = p1;
@ -2956,6 +2959,7 @@ static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
}
*pbuffer = av_mallocz(2048);
avf_sdp_create(&avc, 1, *pbuffer, 2048);
av_metadata_free(&avc->metadata);
av_free(avc);
return strlen(*pbuffer);
@ -3012,6 +3016,7 @@ static void rtsp_cmd_describe(HTTPContext *c, const char *url)
url_fprintf(c->pb, "Content-Length: %d\r\n", content_length);
url_fprintf(c->pb, "\r\n");
put_buffer(c->pb, content, content_length);
av_free(content);
}
static HTTPContext *find_rtp_session(const char *session_id)
@ -3378,7 +3383,6 @@ static int rtp_new_av_stream(HTTPContext *c,
st = av_mallocz(sizeof(AVStream));
if (!st)
goto fail;
st->codec= avcodec_alloc_context();
ctx->nb_streams = 1;
ctx->streams[0] = st;
@ -3454,16 +3458,28 @@ static int rtp_new_av_stream(HTTPContext *c,
/********************************************************************/
/* ffserver initialization */
static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec)
static AVStream *add_av_stream1(FFStream *stream, AVCodecContext *codec, int copy)
{
AVStream *fst;
fst = av_mallocz(sizeof(AVStream));
if (!fst)
return NULL;
fst->codec= avcodec_alloc_context();
if (copy) {
fst->codec= avcodec_alloc_context();
memcpy(fst->codec, codec, sizeof(AVCodecContext));
if (codec->extradata_size) {
fst->codec->extradata = av_malloc(codec->extradata_size);
memcpy(fst->codec->extradata, codec->extradata,
codec->extradata_size);
}
} else {
/* live streams must use the actual feed's codec since it may be
* updated later to carry extradata needed by the streams.
*/
fst->codec = codec;
}
fst->priv_data = av_mallocz(sizeof(FeedData));
memcpy(fst->codec, codec, sizeof(AVCodecContext));
fst->index = stream->nb_streams;
av_set_pts_info(fst, 33, 1, 90000);
stream->streams[stream->nb_streams++] = fst;
@ -3505,7 +3521,7 @@ static int add_av_stream(FFStream *feed, AVStream *st)
}
}
fst = add_av_stream1(feed, av);
fst = add_av_stream1(feed, av, 0);
if (!fst)
return -1;
return feed->nb_streams - 1;
@ -3616,7 +3632,7 @@ static void build_file_streams(void)
extract_mpeg4_header(infile);
for(i=0;i<infile->nb_streams;i++)
add_av_stream1(stream, infile->streams[i]->codec);
add_av_stream1(stream, infile->streams[i]->codec, 1);
av_close_input_file(infile);
}
@ -3683,7 +3699,7 @@ static void build_feed_streams(void)
ccs = ss->codec;
#define CHECK_CODEC(x) (ccf->x != ccs->x)
if (CHECK_CODEC(codec) || CHECK_CODEC(codec_type)) {
if (CHECK_CODEC(codec_id) || CHECK_CODEC(codec_type)) {
http_log("Codecs do not match for stream %d\n", i);
matches = 0;
} else if (CHECK_CODEC(bit_rate) || CHECK_CODEC(flags)) {