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avformat/pcmdec: Simplify parsing MIME type

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2021-02-24 02:45:58 +01:00
parent b9b0c96db7
commit 5f8e015225
1 changed files with 4 additions and 8 deletions
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12
libavformat/pcmdec.c
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@ -19,6 +19,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/avstring.h"
#include "avformat.h"
#include "internal.h"
#include "pcm.h"
@ -51,14 +52,9 @@ static int pcm_read_header(AVFormatContext *s)
av_opt_get(s->pb, "mime_type", AV_OPT_SEARCH_CHILDREN, &mime_type);
if (mime_type && s->iformat->mime_type) {
int rate = 0, channels = 0, little_endian = 0;
size_t len = strlen(s->iformat->mime_type);
if (!av_strncasecmp(s->iformat->mime_type, mime_type, len)) { /* audio/L16 */
uint8_t *options = mime_type + len;
len = strlen(mime_type);
while (options < mime_type + len) {
options = strstr(options, ";");
if (!options)
break;
const char *options;
if (av_stristart(mime_type, s->iformat->mime_type, &options)) { /* audio/L16 */
while (options = strchr(options, ';')) {
options++;
if (!rate)
sscanf(options, " rate=%d", &rate);