diff options
author | James Almer <jamrial@gmail.com> | 2017-10-30 17:47:21 -0300 |
---|---|---|
committer | James Almer <jamrial@gmail.com> | 2017-10-30 17:47:21 -0300 |
commit | 9ea06d48c2724714b5680122fa720395977a1ac6 (patch) | |
tree | a2ceebd907e3b0450a39a01a4aa0abe310effaae /libavcodec | |
parent | 05beee44c6b249f5fe6e06df1bb1a81bfe25a5ac (diff) | |
parent | 831018b0bbe26a603802a9022472f714a59293be (diff) | |
download | ffmpeg-9ea06d48c2724714b5680122fa720395977a1ac6.tar.gz |
Merge commit '831018b0bbe26a603802a9022472f714a59293be'
* commit '831018b0bbe26a603802a9022472f714a59293be':
mpeg4audio: Make avpriv_copy_pce_data() inline
Merged-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/aac_adtstoasc_bsf.c | 2 | ||||
-rw-r--r-- | libavcodec/mpeg4audio.c | 40 | ||||
-rw-r--r-- | libavcodec/mpeg4audio.h | 43 |
3 files changed, 43 insertions, 42 deletions
diff --git a/libavcodec/aac_adtstoasc_bsf.c b/libavcodec/aac_adtstoasc_bsf.c index 4bcf55b193..d92779ed23 100644 --- a/libavcodec/aac_adtstoasc_bsf.c +++ b/libavcodec/aac_adtstoasc_bsf.c @@ -91,7 +91,7 @@ static int aac_adtstoasc_filter(AVBSFContext *bsfc, AVPacket *out) goto fail; } init_put_bits(&pb, pce_data, MAX_PCE_SIZE); - pce_size = avpriv_copy_pce_data(&pb, &gb)/8; + pce_size = ff_copy_pce_data(&pb, &gb) / 8; flush_put_bits(&pb); in->size -= get_bits_count(&gb)/8; in->data += get_bits_count(&gb)/8; diff --git a/libavcodec/mpeg4audio.c b/libavcodec/mpeg4audio.c index b6bb323440..219714752f 100644 --- a/libavcodec/mpeg4audio.c +++ b/libavcodec/mpeg4audio.c @@ -167,43 +167,3 @@ int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, return ff_mpeg4audio_get_config_gb(c, &gb, sync_extension); } - -static av_always_inline unsigned int copy_bits(PutBitContext *pb, - GetBitContext *gb, - int bits) -{ - unsigned int el = get_bits(gb, bits); - put_bits(pb, bits, el); - return el; -} - -int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb) -{ - int five_bit_ch, four_bit_ch, comment_size, bits; - int offset = put_bits_count(pb); - - copy_bits(pb, gb, 10); //Tag, Object Type, Frequency - five_bit_ch = copy_bits(pb, gb, 4); //Front - five_bit_ch += copy_bits(pb, gb, 4); //Side - five_bit_ch += copy_bits(pb, gb, 4); //Back - four_bit_ch = copy_bits(pb, gb, 2); //LFE - four_bit_ch += copy_bits(pb, gb, 3); //Data - five_bit_ch += copy_bits(pb, gb, 4); //Coupling - if (copy_bits(pb, gb, 1)) //Mono Mixdown - copy_bits(pb, gb, 4); - if (copy_bits(pb, gb, 1)) //Stereo Mixdown - copy_bits(pb, gb, 4); - if (copy_bits(pb, gb, 1)) //Matrix Mixdown - copy_bits(pb, gb, 3); - for (bits = five_bit_ch*5+four_bit_ch*4; bits > 16; bits -= 16) - copy_bits(pb, gb, 16); - if (bits) - copy_bits(pb, gb, bits); - avpriv_align_put_bits(pb); - align_get_bits(gb); - comment_size = copy_bits(pb, gb, 8); - for (; comment_size > 0; comment_size--) - copy_bits(pb, gb, 8); - - return put_bits_count(pb) - offset; -} diff --git a/libavcodec/mpeg4audio.h b/libavcodec/mpeg4audio.h index 8fd32f96b3..34471782ab 100644 --- a/libavcodec/mpeg4audio.h +++ b/libavcodec/mpeg4audio.h @@ -23,6 +23,9 @@ #define AVCODEC_MPEG4AUDIO_H #include <stdint.h> + +#include "libavutil/attributes.h" + #include "get_bits.h" #include "put_bits.h" @@ -115,6 +118,44 @@ enum AudioObjectType { #define MAX_PCE_SIZE 320 ///<Maximum size of a PCE including the 3-bit ID_PCE ///<marker and the comment -int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb); +static av_always_inline unsigned int ff_pce_copy_bits(PutBitContext *pb, + GetBitContext *gb, + int bits) +{ + unsigned int el = get_bits(gb, bits); + put_bits(pb, bits, el); + return el; +} + +static inline int ff_copy_pce_data(PutBitContext *pb, GetBitContext *gb) +{ + int five_bit_ch, four_bit_ch, comment_size, bits; + int offset = put_bits_count(pb); + + ff_pce_copy_bits(pb, gb, 10); // Tag, Object Type, Frequency + five_bit_ch = ff_pce_copy_bits(pb, gb, 4); // Front + five_bit_ch += ff_pce_copy_bits(pb, gb, 4); // Side + five_bit_ch += ff_pce_copy_bits(pb, gb, 4); // Back + four_bit_ch = ff_pce_copy_bits(pb, gb, 2); // LFE + four_bit_ch += ff_pce_copy_bits(pb, gb, 3); // Data + five_bit_ch += ff_pce_copy_bits(pb, gb, 4); // Coupling + if (ff_pce_copy_bits(pb, gb, 1)) // Mono Mixdown + ff_pce_copy_bits(pb, gb, 4); + if (ff_pce_copy_bits(pb, gb, 1)) // Stereo Mixdown + ff_pce_copy_bits(pb, gb, 4); + if (ff_pce_copy_bits(pb, gb, 1)) // Matrix Mixdown + ff_pce_copy_bits(pb, gb, 3); + for (bits = five_bit_ch*5+four_bit_ch*4; bits > 16; bits -= 16) + ff_pce_copy_bits(pb, gb, 16); + if (bits) + ff_pce_copy_bits(pb, gb, bits); + avpriv_align_put_bits(pb); + align_get_bits(gb); + comment_size = ff_pce_copy_bits(pb, gb, 8); + for (; comment_size > 0; comment_size--) + ff_pce_copy_bits(pb, gb, 8); + + return put_bits_count(pb) - offset; +} #endif /* AVCODEC_MPEG4AUDIO_H */ |