mirror of
https://github.com/FFmpeg/FFmpeg.git
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riff: K&R formatting cosmetics
Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Luca Barbato
Diego Biurrun
parent
6d0fbebf94
commit
1c88617b94
@ -26,8 +26,8 @@
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#include "riff.h"
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#include "libavcodec/bytestream.h"
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/* Note: when encoding, the first matching tag is used, so order is
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important if multiple tags possible for a given codec. */
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/* Note: When encoding, the first matching tag is used, so order is
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* important if multiple tags are possible for a given codec. */
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const AVCodecTag ff_codec_bmp_tags[] = {
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{ AV_CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
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{ AV_CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
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@ -44,7 +44,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
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{ AV_CODEC_ID_H263, MKTAG('Z', 'y', 'G', 'o') },
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{ AV_CODEC_ID_H263, MKTAG('M', '2', '6', '3') },
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{ AV_CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
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{ AV_CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
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{ AV_CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* Intel H.263 */
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{ AV_CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
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{ AV_CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
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{ AV_CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
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@ -54,8 +54,10 @@ const AVCodecTag ff_codec_bmp_tags[] = {
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{ AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D') },
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{ AV_CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
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{ AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
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{ AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) }, /* some broken avi use this */
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{ AV_CODEC_ID_MPEG4, MKTAG('Z', 'M', 'P', '4') }, /* some broken avi use this */
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/* some broken AVIs use this */
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{ AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 0 ) },
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/* some broken AVIs use this */
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{ AV_CODEC_ID_MPEG4, MKTAG('Z', 'M', 'P', '4') },
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{ AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
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{ AV_CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
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{ AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
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@ -64,7 +66,8 @@ const AVCodecTag ff_codec_bmp_tags[] = {
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{ AV_CODEC_ID_MPEG4, MKTAG('S', 'E', 'D', 'G') },
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{ AV_CODEC_ID_MPEG4, MKTAG('R', 'M', 'P', '4') },
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{ AV_CODEC_ID_MPEG4, MKTAG('3', 'I', 'V', '2') },
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{ AV_CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') }, /* WaWv MPEG-4 Video Codec */
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/* WaWv MPEG-4 Video Codec */
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{ AV_CODEC_ID_MPEG4, MKTAG('W', 'A', 'W', 'V') },
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{ AV_CODEC_ID_MPEG4, MKTAG('F', 'F', 'D', 'S') },
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{ AV_CODEC_ID_MPEG4, MKTAG('F', 'V', 'F', 'W') },
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{ AV_CODEC_ID_MPEG4, MKTAG('D', 'C', 'O', 'D') },
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@ -75,18 +78,22 @@ const AVCodecTag ff_codec_bmp_tags[] = {
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{ AV_CODEC_ID_MPEG4, MKTAG('V', 'I', 'D', 'M') },
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{ AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'T', '3') },
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{ AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'X') },
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{ AV_CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') }, /* flipped video */
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/* flipped video */
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{ AV_CODEC_ID_MPEG4, MKTAG('H', 'D', 'X', '4') },
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{ AV_CODEC_ID_MPEG4, MKTAG('D', 'M', 'K', '2') },
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{ AV_CODEC_ID_MPEG4, MKTAG('D', 'I', 'G', 'I') },
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{ AV_CODEC_ID_MPEG4, MKTAG('I', 'N', 'M', 'C') },
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{ AV_CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') }, /* Ephv MPEG-4 */
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/* Ephv MPEG-4 */
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{ AV_CODEC_ID_MPEG4, MKTAG('E', 'P', 'H', 'V') },
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{ AV_CODEC_ID_MPEG4, MKTAG('E', 'M', '4', 'A') },
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{ AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') }, /* Divio MPEG-4 */
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/* Divio MPEG-4 */
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{ AV_CODEC_ID_MPEG4, MKTAG('M', '4', 'C', 'C') },
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{ AV_CODEC_ID_MPEG4, MKTAG('S', 'N', '4', '0') },
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{ AV_CODEC_ID_MPEG4, MKTAG('V', 'S', 'P', 'X') },
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{ AV_CODEC_ID_MPEG4, MKTAG('U', 'L', 'D', 'X') },
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{ AV_CODEC_ID_MPEG4, MKTAG('G', 'E', 'O', 'V') },
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{ AV_CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') }, /* Samsung SHR-6040 */
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/* Samsung SHR-6040 */
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{ AV_CODEC_ID_MPEG4, MKTAG('S', 'I', 'P', 'P') },
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{ AV_CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'X') },
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{ AV_CODEC_ID_MPEG4, MKTAG('D', 'r', 'e', 'X') },
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{ AV_CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
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@ -111,9 +118,12 @@ const AVCodecTag ff_codec_bmp_tags[] = {
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{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
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{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
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{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', '0') },
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{ AV_CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') }, /* Canopus DV */
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{ AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') }, /* Canopus DV */
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{ AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', '5') }, /* Canopus DV */
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/* Canopus DV */
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{ AV_CODEC_ID_DVVIDEO, MKTAG('c', 'd', 'v', 'c') },
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/* Canopus DV */
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{ AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', 'H') },
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/* Canopus DV */
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{ AV_CODEC_ID_DVVIDEO, MKTAG('C', 'D', 'V', '5') },
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{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
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{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 's') },
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{ AV_CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', '1') },
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@ -129,33 +139,43 @@ const AVCodecTag ff_codec_bmp_tags[] = {
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{ AV_CODEC_ID_MPEG4, MKTAG( 4 , 0 , 0 , 16) },
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', 'M', 'E', 'S') },
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') }, /* Lead MPEG2 in avi */
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/* Lead MPEG-2 in AVI */
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('L', 'M', 'P', '2') },
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('s', 'l', 'i', 'f') },
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('E', 'M', '2', 'V') },
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') }, /* Matrox MPEG2 intra-only */
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/* Matrox MPEG-2 intra-only */
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('M', '7', '0', '1') },
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{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', 'v') },
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{ AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
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{ AV_CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
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{ AV_CODEC_ID_MJPEG, MKTAG('d', 'm', 'b', '1') },
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{ AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') },
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{ AV_CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
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{ AV_CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
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{ AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - encoder */
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/* Pegasus lossless JPEG */
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{ AV_CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') },
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/* JPEG-LS custom FOURCC for AVI - encoder */
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{ AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'L', 'S') },
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{ AV_CODEC_ID_JPEGLS, MKTAG('M', 'J', 'P', 'G') },
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{ AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') }, /* JPEG-LS custom FOURCC for avi - decoder */
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/* JPEG-LS custom FOURCC for AVI - decoder */
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{ AV_CODEC_ID_MJPEG, MKTAG('M', 'J', 'L', 'S') },
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{ AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') },
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{ AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'P', 'G') },
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{ AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'R', 'n') },
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{ AV_CODEC_ID_MJPEG, MKTAG('A', 'C', 'D', 'V') },
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{ AV_CODEC_ID_MJPEG, MKTAG('Q', 'I', 'V', 'G') },
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{ AV_CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') }, /* SL M-JPEG */
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{ AV_CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') }, /* Creative Webcam JPEG */
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{ AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') }, /* Intel JPEG Library Video Codec */
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{ AV_CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') }, /* Midvid JPEG Video Codec */
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/* SL M-JPEG */
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{ AV_CODEC_ID_MJPEG, MKTAG('S', 'L', 'M', 'J') },
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/* Creative Webcam JPEG */
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{ AV_CODEC_ID_MJPEG, MKTAG('C', 'J', 'P', 'G') },
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/* Intel JPEG Library Video Codec */
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{ AV_CODEC_ID_MJPEG, MKTAG('I', 'J', 'L', 'V') },
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/* Midvid JPEG Video Codec */
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{ AV_CODEC_ID_MJPEG, MKTAG('M', 'V', 'J', 'P') },
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{ AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '1') },
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{ AV_CODEC_ID_MJPEG, MKTAG('A', 'V', 'I', '2') },
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{ AV_CODEC_ID_MJPEG, MKTAG('M', 'T', 'S', 'J') },
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{ AV_CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') }, /* Paradigm Matrix M-JPEG Codec */
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/* Paradigm Matrix M-JPEG Codec */
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{ AV_CODEC_ID_MJPEG, MKTAG('Z', 'J', 'P', 'G') },
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{ AV_CODEC_ID_MJPEG, MKTAG('M', 'M', 'J', 'P') },
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{ AV_CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
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{ AV_CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
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@ -185,7 +205,8 @@ const AVCodecTag ff_codec_bmp_tags[] = {
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{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '8', ' ', ' ') },
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{ AV_CODEC_ID_RAWVIDEO, MKTAG('H', 'D', 'Y', 'C') },
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{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', 'V', 'U', '9') },
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{ AV_CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') }, /* SoftLab-NSK VideoTizer */
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/* SoftLab-NSK VideoTizer */
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{ AV_CODEC_ID_RAWVIDEO, MKTAG('V', 'D', 'T', 'Z') },
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{ AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '1', '1') },
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{ AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '1', '2') },
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{ AV_CODEC_ID_RAWVIDEO, MKTAG('N', 'V', '2', '1') },
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@ -296,17 +317,20 @@ const AVCodecTag ff_codec_bmp_tags[] = {
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const AVCodecTag ff_codec_wav_tags[] = {
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{ AV_CODEC_ID_PCM_S16LE, 0x0001 },
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{ AV_CODEC_ID_PCM_U8, 0x0001 }, /* must come after s16le in this list */
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/* must come after s16le in this list */
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{ AV_CODEC_ID_PCM_U8, 0x0001 },
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{ AV_CODEC_ID_PCM_S24LE, 0x0001 },
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{ AV_CODEC_ID_PCM_S32LE, 0x0001 },
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{ AV_CODEC_ID_ADPCM_MS, 0x0002 },
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{ AV_CODEC_ID_PCM_F32LE, 0x0003 },
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{ AV_CODEC_ID_PCM_F64LE, 0x0003 }, /* must come after f32le in this list */
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/* must come after f32le in this list */
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{ AV_CODEC_ID_PCM_F64LE, 0x0003 },
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{ AV_CODEC_ID_PCM_ALAW, 0x0006 },
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{ AV_CODEC_ID_PCM_MULAW, 0x0007 },
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{ AV_CODEC_ID_WMAVOICE, 0x000A },
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{ AV_CODEC_ID_ADPCM_IMA_WAV, 0x0011 },
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{ AV_CODEC_ID_PCM_ZORK, 0x0011 }, /* must come after adpcm_ima_wav in this list */
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/* must come after adpcm_ima_wav in this list */
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{ AV_CODEC_ID_PCM_ZORK, 0x0011 },
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{ AV_CODEC_ID_ADPCM_YAMAHA, 0x0020 },
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{ AV_CODEC_ID_TRUESPEECH, 0x0022 },
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{ AV_CODEC_ID_GSM_MS, 0x0031 },
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@ -315,8 +339,10 @@ const AVCodecTag ff_codec_wav_tags[] = {
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{ AV_CODEC_ID_MP3, 0x0055 },
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{ AV_CODEC_ID_AMR_NB, 0x0057 },
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{ AV_CODEC_ID_AMR_WB, 0x0058 },
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{ AV_CODEC_ID_ADPCM_IMA_DK4, 0x0061 }, /* rogue format number */
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{ AV_CODEC_ID_ADPCM_IMA_DK3, 0x0062 }, /* rogue format number */
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/* rogue format number */
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{ AV_CODEC_ID_ADPCM_IMA_DK4, 0x0061 },
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/* rogue format number */
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{ AV_CODEC_ID_ADPCM_IMA_DK3, 0x0062 },
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{ AV_CODEC_ID_ADPCM_IMA_WAV, 0x0069 },
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{ AV_CODEC_ID_VOXWARE, 0x0075 },
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{ AV_CODEC_ID_AAC, 0x00ff },
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@ -332,7 +358,8 @@ const AVCodecTag ff_codec_wav_tags[] = {
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{ AV_CODEC_ID_IAC, 0x0402 },
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{ AV_CODEC_ID_GSM_MS, 0x1500 },
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{ AV_CODEC_ID_TRUESPEECH, 0x1501 },
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{ AV_CODEC_ID_AAC, 0x1600 }, /* ADTS AAC */
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/* ADTS AAC */
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{ AV_CODEC_ID_AAC, 0x1600 },
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{ AV_CODEC_ID_AAC_LATM, 0x1602 },
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{ AV_CODEC_ID_AC3, 0x2000 },
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{ AV_CODEC_ID_DTS, 0x2001 },
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@ -342,7 +369,8 @@ const AVCodecTag ff_codec_wav_tags[] = {
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{ AV_CODEC_ID_SPEEX, 0xA109 },
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{ AV_CODEC_ID_FLAC, 0xF1AC },
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{ AV_CODEC_ID_ADPCM_SWF, ('S' << 8) + 'F' },
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{ AV_CODEC_ID_VORBIS, ('V'<<8)+'o' }, //HACK/FIXME, does vorbis in WAV/AVI have an (in)official id?
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/* HACK/FIXME: Does Vorbis in WAV/AVI have an (in)official ID? */
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{ AV_CODEC_ID_VORBIS, ('V' << 8) + 'o' },
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{ AV_CODEC_ID_NONE, 0 },
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};
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@ -394,24 +422,26 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
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return -1;
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/* We use the known constant frame size for the codec if known, otherwise
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fallback to using AVCodecContext.frame_size, which is not as reliable
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for indicating packet duration */
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* fall back on using AVCodecContext.frame_size, which is not as reliable
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* for indicating packet duration. */
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frame_size = av_get_audio_frame_duration(enc, 0);
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if (!frame_size)
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frame_size = enc->frame_size;
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waveformatextensible = (enc->channels > 2 && enc->channel_layout)
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|| enc->sample_rate > 48000
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|| av_get_bits_per_sample(enc->codec_id) > 16;
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waveformatextensible = (enc->channels > 2 && enc->channel_layout) ||
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enc->sample_rate > 48000 ||
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av_get_bits_per_sample(enc->codec_id) > 16;
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if (waveformatextensible) {
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if (waveformatextensible)
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avio_wl16(pb, 0xfffe);
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} else {
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else
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avio_wl16(pb, enc->codec_tag);
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}
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avio_wl16(pb, enc->channels);
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avio_wl32(pb, enc->sample_rate);
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if (enc->codec_id == AV_CODEC_ID_MP2 || enc->codec_id == AV_CODEC_ID_MP3 || enc->codec_id == AV_CODEC_ID_GSM_MS) {
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if (enc->codec_id == AV_CODEC_ID_MP2 ||
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enc->codec_id == AV_CODEC_ID_MP3 ||
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enc->codec_id == AV_CODEC_ID_GSM_MS) {
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bps = 0;
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} else {
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if (!(bps = av_get_bits_per_sample(enc->codec_id))) {
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@ -422,16 +452,20 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
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}
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}
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if (bps != enc->bits_per_coded_sample && enc->bits_per_coded_sample) {
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av_log(enc, AV_LOG_WARNING, "requested bits_per_coded_sample (%d) and actually stored (%d) differ\n", enc->bits_per_coded_sample, bps);
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av_log(enc, AV_LOG_WARNING,
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"requested bits_per_coded_sample (%d) "
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"and actually stored (%d) differ\n",
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enc->bits_per_coded_sample, bps);
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}
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if (enc->codec_id == AV_CODEC_ID_MP2 || enc->codec_id == AV_CODEC_ID_MP3) {
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/* this is wrong, but it seems many demuxers do not work if this is set
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correctly */
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if (enc->codec_id == AV_CODEC_ID_MP2 ||
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enc->codec_id == AV_CODEC_ID_MP3) {
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/* This is wrong, but it seems many demuxers do not work if this
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* is set correctly. */
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blkalign = frame_size;
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// blkalign = 144 * enc->bit_rate/enc->sample_rate;
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} else if (enc->codec_id == AV_CODEC_ID_AC3) {
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blkalign = 3840; //maximum bytes per frame
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blkalign = 3840; /* maximum bytes per frame */
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} else if (enc->block_align != 0) { /* specified by the codec */
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blkalign = enc->block_align;
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} else
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@ -458,28 +492,43 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
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bytestream_put_le16(&riff_extradata, 1393); /* nCodecDelay */
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||||
} else if (enc->codec_id == AV_CODEC_ID_MP2) {
|
||||
hdrsize += 22;
|
||||
bytestream_put_le16(&riff_extradata, 2); /* fwHeadLayer */
|
||||
bytestream_put_le32(&riff_extradata, enc->bit_rate); /* dwHeadBitrate */
|
||||
bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8); /* fwHeadMode */
|
||||
bytestream_put_le16(&riff_extradata, 0); /* fwHeadModeExt */
|
||||
bytestream_put_le16(&riff_extradata, 1); /* wHeadEmphasis */
|
||||
bytestream_put_le16(&riff_extradata, 16); /* fwHeadFlags */
|
||||
bytestream_put_le32(&riff_extradata, 0); /* dwPTSLow */
|
||||
bytestream_put_le32(&riff_extradata, 0); /* dwPTSHigh */
|
||||
} else if (enc->codec_id == AV_CODEC_ID_GSM_MS || enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
|
||||
/* fwHeadLayer */
|
||||
bytestream_put_le16(&riff_extradata, 2);
|
||||
/* dwHeadBitrate */
|
||||
bytestream_put_le32(&riff_extradata, enc->bit_rate);
|
||||
/* fwHeadMode */
|
||||
bytestream_put_le16(&riff_extradata, enc->channels == 2 ? 1 : 8);
|
||||
/* fwHeadModeExt */
|
||||
bytestream_put_le16(&riff_extradata, 0);
|
||||
/* wHeadEmphasis */
|
||||
bytestream_put_le16(&riff_extradata, 1);
|
||||
/* fwHeadFlags */
|
||||
bytestream_put_le16(&riff_extradata, 16);
|
||||
/* dwPTSLow */
|
||||
bytestream_put_le32(&riff_extradata, 0);
|
||||
/* dwPTSHigh */
|
||||
bytestream_put_le32(&riff_extradata, 0);
|
||||
} else if (enc->codec_id == AV_CODEC_ID_GSM_MS ||
|
||||
enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
|
||||
hdrsize += 2;
|
||||
bytestream_put_le16(&riff_extradata, frame_size); /* wSamplesPerBlock */
|
||||
/* wSamplesPerBlock */
|
||||
bytestream_put_le16(&riff_extradata, frame_size);
|
||||
} else if (enc->extradata_size) {
|
||||
riff_extradata_start = enc->extradata;
|
||||
riff_extradata = enc->extradata + enc->extradata_size;
|
||||
hdrsize += enc->extradata_size;
|
||||
}
|
||||
if(waveformatextensible) { /* write WAVEFORMATEXTENSIBLE extensions */
|
||||
/* write WAVEFORMATEXTENSIBLE extensions */
|
||||
if (waveformatextensible) {
|
||||
hdrsize += 22;
|
||||
avio_wl16(pb, riff_extradata - riff_extradata_start + 22); /* 22 is WAVEFORMATEXTENSIBLE size */
|
||||
avio_wl16(pb, bps); /* ValidBitsPerSample || SamplesPerBlock || Reserved */
|
||||
avio_wl32(pb, enc->channel_layout); /* dwChannelMask */
|
||||
avio_wl32(pb, enc->codec_tag); /* GUID + next 3 */
|
||||
/* 22 is WAVEFORMATEXTENSIBLE size */
|
||||
avio_wl16(pb, riff_extradata - riff_extradata_start + 22);
|
||||
/* ValidBitsPerSample || SamplesPerBlock || Reserved */
|
||||
avio_wl16(pb, bps);
|
||||
/* dwChannelMask */
|
||||
avio_wl32(pb, enc->channel_layout);
|
||||
/* GUID + next 3 */
|
||||
avio_wl32(pb, enc->codec_tag);
|
||||
avio_wl32(pb, 0x00100000);
|
||||
avio_wl32(pb, 0xAA000080);
|
||||
avio_wl32(pb, 0x719B3800);
|
||||
@ -496,15 +545,18 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
|
||||
}
|
||||
|
||||
/* BITMAPINFOHEADER header */
|
||||
void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf)
|
||||
void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc,
|
||||
const AVCodecTag *tags, int for_asf)
|
||||
{
|
||||
avio_wl32(pb, 40 + enc->extradata_size); /* size */
|
||||
/* size */
|
||||
avio_wl32(pb, 40 + enc->extradata_size);
|
||||
avio_wl32(pb, enc->width);
|
||||
//We always store RGB TopDown
|
||||
avio_wl32(pb, enc->codec_tag ? enc->height : -enc->height);
|
||||
avio_wl16(pb, 1); /* planes */
|
||||
|
||||
avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24); /* depth */
|
||||
/* planes */
|
||||
avio_wl16(pb, 1);
|
||||
/* depth */
|
||||
avio_wl16(pb, enc->bits_per_coded_sample ? enc->bits_per_coded_sample : 24);
|
||||
/* compression type */
|
||||
avio_wl32(pb, enc->codec_tag);
|
||||
avio_wl32(pb, enc->width * enc->height * 3);
|
||||
@ -519,14 +571,15 @@ void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *t
|
||||
avio_w8(pb, 0);
|
||||
}
|
||||
|
||||
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
|
||||
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate,
|
||||
int *au_ssize, int *au_scale)
|
||||
{
|
||||
int gcd;
|
||||
int audio_frame_size;
|
||||
|
||||
/* We use the known constant frame size for the codec if known, otherwise
|
||||
fallback to using AVCodecContext.frame_size, which is not as reliable
|
||||
for indicating packet duration */
|
||||
* fall back on using AVCodecContext.frame_size, which is not as reliable
|
||||
* for indicating packet duration. */
|
||||
audio_frame_size = av_get_audio_frame_duration(stream, 0);
|
||||
if (!audio_frame_size)
|
||||
audio_frame_size = stream->frame_size;
|
||||
@ -542,7 +595,8 @@ void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssiz
|
||||
*au_rate = stream->time_base.den;
|
||||
} else {
|
||||
*au_scale = stream->block_align ? stream->block_align * 8 : 8;
|
||||
*au_rate = stream->bit_rate ? stream->bit_rate : 8*stream->sample_rate;
|
||||
*au_rate = stream->bit_rate ? stream->bit_rate :
|
||||
8 * stream->sample_rate;
|
||||
}
|
||||
gcd = av_gcd(*au_scale, *au_rate);
|
||||
*au_scale /= gcd;
|
||||
@ -573,10 +627,9 @@ static int riff_has_valid_tags(AVFormatContext *s)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; *riff_tags[i]; i++) {
|
||||
for (i = 0; *riff_tags[i]; i++)
|
||||
if (av_dict_get(s->metadata, riff_tags[i], NULL, AV_DICT_MATCH_CASE))
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -596,13 +649,13 @@ void ff_riff_write_info(AVFormatContext *s)
|
||||
|
||||
list_pos = ff_start_tag(pb, "LIST");
|
||||
ffio_wfourcc(pb, "INFO");
|
||||
for (i = 0; *riff_tags[i]; i++) {
|
||||
if ((t = av_dict_get(s->metadata, riff_tags[i], NULL, AV_DICT_MATCH_CASE)))
|
||||
for (i = 0; *riff_tags[i]; i++)
|
||||
if ((t = av_dict_get(s->metadata, riff_tags[i],
|
||||
NULL, AV_DICT_MATCH_CASE)))
|
||||
ff_riff_write_info_tag(s->pb, t->key, t->value);
|
||||
}
|
||||
ff_end_tag(pb, list_pos);
|
||||
}
|
||||
#endif //CONFIG_MUXERS
|
||||
#endif /* CONFIG_MUXERS */
|
||||
|
||||
#if CONFIG_DEMUXERS
|
||||
/* We could be given one of the three possible structures here:
|
||||
@ -642,7 +695,8 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
|
||||
codec->extradata_size = cbSize;
|
||||
if (cbSize > 0) {
|
||||
av_free(codec->extradata);
|
||||
codec->extradata = av_mallocz(codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
|
||||
codec->extradata = av_mallocz(codec->extradata_size +
|
||||
FF_INPUT_BUFFER_PADDING_SIZE);
|
||||
if (!codec->extradata)
|
||||
return AVERROR(ENOMEM);
|
||||
avio_read(pb, codec->extradata, codec->extradata_size);
|
||||
@ -655,7 +709,8 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
|
||||
}
|
||||
codec->codec_id = ff_wav_codec_get_id(id, codec->bits_per_coded_sample);
|
||||
if (codec->codec_id == AV_CODEC_ID_AAC_LATM) {
|
||||
/* channels and sample_rate values are those prior to applying SBR and/or PS */
|
||||
/* Channels and sample_rate values are those prior to applying SBR
|
||||
* and/or PS. */
|
||||
codec->channels = 0;
|
||||
codec->sample_rate = 0;
|
||||
}
|
||||
@ -666,7 +721,6 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps)
|
||||
{
|
||||
enum AVCodecID id;
|
||||
@ -709,7 +763,8 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
|
||||
start = avio_tell(pb);
|
||||
end = start + size;
|
||||
|
||||
while ((cur = avio_tell(pb)) >= 0 && cur <= end - 8 /* = tag + size */) {
|
||||
while ((cur = avio_tell(pb)) >= 0 &&
|
||||
cur <= end - 8 /* = tag + size */) {
|
||||
uint32_t chunk_code;
|
||||
int64_t chunk_size;
|
||||
char key[5] = { 0 };
|
||||
@ -718,7 +773,9 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
|
||||
chunk_code = avio_rl32(pb);
|
||||
chunk_size = avio_rl32(pb);
|
||||
|
||||
if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) {
|
||||
if (chunk_size > end ||
|
||||
end - chunk_size < cur ||
|
||||
chunk_size == UINT_MAX) {
|
||||
av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
|
||||
break;
|
||||
}
|
||||
@ -733,7 +790,8 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
|
||||
|
||||
value = av_malloc(chunk_size + 1);
|
||||
if (!value) {
|
||||
av_log(s, AV_LOG_ERROR, "out of memory, unable to read INFO tag\n");
|
||||
av_log(s, AV_LOG_ERROR,
|
||||
"out of memory, unable to read INFO tag\n");
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
|
||||
@ -741,7 +799,8 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
|
||||
|
||||
if (avio_read(pb, value, chunk_size) != chunk_size) {
|
||||
av_free(value);
|
||||
av_log(s, AV_LOG_WARNING, "premature end of file while reading INFO tag\n");
|
||||
av_log(s, AV_LOG_WARNING,
|
||||
"premature end of file while reading INFO tag\n");
|
||||
break;
|
||||
}
|
||||
|
||||
@ -752,4 +811,4 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif // CONFIG_DEMUXERS
|
||||
#endif /* CONFIG_DEMUXERS */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user