Lines Matching defs:channel
351 * Get the channel layout for the specified channel layout tag.
353 * @param[in] tag channel layout tag
354 * @param[out] bitmap channel bitmap (only used if needed)
355 * @return channel layout
366 /* handle the use of the channel bitmap */
370 /* get the layout map based on the channel count for the specified layout tag */
376 /* find the channel layout for the specified layout tag */
403 static uint32_t mov_get_channel_label(enum AVChannel channel)
405 if (channel < 0)
407 if (channel <= AV_CHAN_TOP_BACK_RIGHT)
408 return channel + 1;
409 if (channel == AV_CHAN_WIDE_LEFT)
411 if (channel == AV_CHAN_WIDE_RIGHT)
413 if (channel == AV_CHAN_LOW_FREQUENCY_2)
415 if (channel == AV_CHAN_STEREO_LEFT)
417 if (channel == AV_CHAN_STEREO_RIGHT)
443 /* get the layout map based on the channel count */
449 /* find the layout tag for the specified channel layout */
469 /* if no tag was found, use channel bitmap or description as a backup if possible */
526 "reached EOF while reading channel layout\n");