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Code Issues Releases Wiki Activity

stream_ffmpeg: switch to libavformat avio API

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stream_ffmpeg was using the libavformat URLContext API. This API has
been deprecated (for public use at least) in libavformat. Switch to
the AVIOContext API.
This commit is contained in:
Uoti Urpala 2011-12-25 01:20:12 +02:00
parent 1bd5871762
commit 30afc64532
1 changed files with 31 additions and 19 deletions

44
stream/stream_ffmpeg.c
View File

@ -28,21 +28,26 @@
static int fill_buffer(stream_t *s, char *buffer, int max_len) static int fill_buffer(stream_t *s, char *buffer, int max_len)
{ {
int r = url_read_complete(s->priv, buffer, max_len); AVIOContext *avio = s->priv;
int r = avio_read(avio, buffer, max_len);
return (r <= 0) ? -1 : r; return (r <= 0) ? -1 : r;
} }
static int write_buffer(stream_t *s, char *buffer, int len) static int write_buffer(stream_t *s, char *buffer, int len)
{ {
/* url_write retries internally on short writes and EAGAIN */ AVIOContext *avio = s->priv;
int r = url_write(s->priv, buffer, len); avio_write(avio, buffer, len);
return (r <= 0) ? -1 : r; avio_flush(avio);
if (avio->error)
return -1;
return len;
} }
static int seek(stream_t *s, off_t newpos) static int seek(stream_t *s, off_t newpos)
{ {
AVIOContext *avio = s->priv;
s->pos = newpos; s->pos = newpos;
if (url_seek(s->priv, s->pos, SEEK_SET) < 0) { if (avio_seek(avio, s->pos, SEEK_SET) < 0) {
s->eof = 1; s->eof = 1;
return 0; return 0;
} }
@ -51,11 +56,12 @@ static int seek(stream_t *s, off_t newpos)
static int control(stream_t *s, int cmd, void *arg) static int control(stream_t *s, int cmd, void *arg)
{ {
AVIOContext *avio = avio;
int64_t size, ts; int64_t size, ts;
double pts; double pts;
switch(cmd) { switch(cmd) {
case STREAM_CTRL_GET_SIZE: case STREAM_CTRL_GET_SIZE:
size = url_filesize(s->priv); size = avio_size(avio);
if(size >= 0) { if(size >= 0) {
*(off_t *)arg = size; *(off_t *)arg = size;
return 1; return 1;
@ -64,7 +70,7 @@ static int control(stream_t *s, int cmd, void *arg)
case STREAM_CTRL_SEEK_TO_TIME: case STREAM_CTRL_SEEK_TO_TIME:
pts = *(double *)arg; pts = *(double *)arg;
ts = pts * AV_TIME_BASE; ts = pts * AV_TIME_BASE;
ts = av_url_read_seek(s->priv, -1, ts, 0); ts = avio_seek_time(avio, -1, ts, 0);
if (ts >= 0) if (ts >= 0)
return 1; return 1;
break; break;
@ -74,7 +80,13 @@ static int control(stream_t *s, int cmd, void *arg)
static void close_f(stream_t *stream) static void close_f(stream_t *stream)
{ {
url_close(stream->priv); AVIOContext *avio = stream->priv;
/* NOTE: As of 2011 write streams must be manually flushed before close.
* Currently write_buffer() always flushes them after writing.
* avio_close() could return an error, but we have no way to return that
* with the current stream API.
*/
avio_close(avio);
} }
static const char prefix[] = "ffmpeg://"; static const char prefix[] = "ffmpeg://";
@ -83,7 +95,7 @@ static int open_f(stream_t *stream, int mode, void *opts, int *file_format)
{ {
int flags = 0; int flags = 0;
const char *filename; const char *filename;
URLContext *ctx = NULL; AVIOContext *avio = NULL;
int res = STREAM_ERROR; int res = STREAM_ERROR;
int64_t size; int64_t size;
int dummy; int dummy;
@ -109,22 +121,22 @@ static int open_f(stream_t *stream, int mode, void *opts, int *file_format)
dummy = !strncmp(filename, "rtsp:", 5); dummy = !strncmp(filename, "rtsp:", 5);
mp_msg(MSGT_OPEN, MSGL_V, "[ffmpeg] Opening %s\n", filename); mp_msg(MSGT_OPEN, MSGL_V, "[ffmpeg] Opening %s\n", filename);
if (!dummy && url_open(&ctx, filename, flags) < 0) if (!dummy && avio_open(&avio, filename, flags) < 0)
goto out; goto out;
mp_msg(MSGT_OPEN, MSGL_V, "[ffmpeg] libavformat URL type: %s\n", char *rtmp[] = {"rtmp:", "rtmpt:", "rtmpe:", "rtmpte:", "rtmps:"};
ctx->prot->name); for (int i = 0; i < FF_ARRAY_ELEMS(rtmp); i++)
if (!strncmp("rtmp", ctx->prot->name, 4)) { if (!strncmp(filename, rtmp[i], strlen(rtmp[i]))) {
*file_format = DEMUXER_TYPE_LAVF; *file_format = DEMUXER_TYPE_LAVF;
stream->lavf_type = "flv"; stream->lavf_type = "flv";
} }
stream->priv = ctx; stream->priv = avio;
size = dummy ? 0 : url_filesize(ctx); size = dummy ? 0 : avio_size(avio);
if (size >= 0) if (size >= 0)
stream->end_pos = size; stream->end_pos = size;
stream->type = STREAMTYPE_FILE; stream->type = STREAMTYPE_FILE;
stream->seek = seek; stream->seek = seek;
if (dummy || ctx->is_streamed) { if (dummy || !avio->seekable) {
stream->type = STREAMTYPE_STREAM; stream->type = STREAMTYPE_STREAM;
stream->seek = NULL; stream->seek = NULL;
} }