if (!strcmp(filename, "-"))
filename = "pipe:";
- oc = avformat_alloc_context();
+ oc = avformat_alloc_output_context(last_asked_format, NULL, filename);
+ last_asked_format = NULL;
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
ffmpeg_exit(1);
}
-
- if (last_asked_format) {
- file_oformat = av_guess_format(last_asked_format, NULL, NULL);
- if (!file_oformat) {
- fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
- ffmpeg_exit(1);
- }
- last_asked_format = NULL;
- } else {
- file_oformat = av_guess_format(NULL, filename, NULL);
- if (!file_oformat) {
- fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
- filename);
- ffmpeg_exit(1);
- }
- }
-
- oc->oformat = file_oformat;
- av_strlcpy(oc->filename, filename, sizeof(oc->filename));
+ file_oformat= oc->oformat;
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
AVFormatContext *avformat_alloc_context(void);
/**
+ * Allocate an AVFormatContext.
+ * avformat_free_context() can be used to free the context and everything
+ * allocated by the framework within it.
+ */
+AVFormatContext *avformat_alloc_output_context(const char *format, AVOutputFormat *oformat, const char *filename);
+
+/**
* Read packets of a media file to get stream information. This
* is useful for file formats with no headers such as MPEG. This
* function also computes the real framerate in case of MPEG-2 repeat
/**
* media file output
*/
-int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
+attribute_deprecated int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
/**
* Split a URL string into components.
return 0;
}
+AVFormatContext *avformat_alloc_output_context(const char *format, AVOutputFormat *oformat, const char *filename){
+ AVFormatContext *s= avformat_alloc_context();
+ if(!s)
+ goto nomem;
+
+ if(!oformat){
+ if (format) {
+ oformat = av_guess_format(format, NULL, NULL);
+ if (!oformat) {
+ av_log(s, AV_LOG_ERROR, "Requested output format '%s' is not a suitable output format\n", format);
+ goto error;
+ }
+ } else {
+ oformat = av_guess_format(NULL, filename, NULL);
+ if (!oformat) {
+ av_log(s, AV_LOG_ERROR, "Unable to find a suitable output format for '%s'\n",
+ filename);
+ goto error;
+ }
+ }
+ }
+
+ s->oformat= oformat;
+ if (s->oformat->priv_data_size > 0) {
+ s->priv_data = av_mallocz(s->oformat->priv_data_size);
+ if (!s->priv_data)
+ goto nomem;
+ if (s->oformat->priv_class) {
+ *(const AVClass**)s->priv_data= s->oformat->priv_class;
+ av_opt_set_defaults(s->priv_data);
+ }
+ } else
+ s->priv_data = NULL;
+
+ if(filename)
+ av_strlcpy(s->filename, filename, sizeof(s->filename));
+ return s;
+nomem:
+ av_log(s, AV_LOG_ERROR, "Out of memory\n");
+error:
+ avformat_free_context(s);
+ return NULL;
+}
+
static int validate_codec_tag(AVFormatContext *s, AVStream *st)
{
const AVCodecTag *avctag;