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@@ -27,33 +27,35 @@ |
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#ifndef AVCODEC_TAK_H |
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#define AVCODEC_TAK_H |
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#include <stdint.h> |
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#define BITSTREAM_READER_LE |
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#include "get_bits.h" |
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#include "avcodec.h" |
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#define TAK_FORMAT_DATA_TYPE_BITS 3 |
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#define TAK_FORMAT_SAMPLE_RATE_BITS 18 |
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#define TAK_FORMAT_BPS_BITS 5 |
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#define TAK_FORMAT_CHANNEL_BITS 4 |
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#define TAK_FORMAT_VALID_BITS 5 |
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#define TAK_FORMAT_CH_LAYOUT_BITS 6 |
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#define TAK_SIZE_FRAME_DURATION_BITS 4 |
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#define TAK_SIZE_SAMPLES_NUM_BITS 35 |
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#define TAK_LAST_FRAME_POS_BITS 40 |
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#define TAK_LAST_FRAME_SIZE_BITS 24 |
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#define TAK_ENCODER_CODEC_BITS 6 |
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#define TAK_ENCODER_PROFILE_BITS 4 |
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#define TAK_ENCODER_VERSION_BITS 24 |
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#define TAK_SAMPLE_RATE_MIN 6000 |
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#define TAK_CHANNELS_MIN 1 |
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#define TAK_BPS_MIN 8 |
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#define TAK_FRAME_HEADER_FLAGS_BITS 3 |
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#define TAK_FRAME_HEADER_SYNC_ID 0xA0FF |
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#define TAK_FRAME_HEADER_SYNC_ID_BITS 16 |
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#define TAK_FRAME_HEADER_SAMPLE_COUNT_BITS 14 |
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#define TAK_FRAME_HEADER_NO_BITS 21 |
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#define TAK_FRAME_DURATION_QUANT_SHIFT 5 |
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#define TAK_CRC24_BITS 24 |
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#define TAK_FORMAT_DATA_TYPE_BITS 3 |
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#define TAK_FORMAT_SAMPLE_RATE_BITS 18 |
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#define TAK_FORMAT_BPS_BITS 5 |
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#define TAK_FORMAT_CHANNEL_BITS 4 |
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#define TAK_FORMAT_VALID_BITS 5 |
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#define TAK_FORMAT_CH_LAYOUT_BITS 6 |
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#define TAK_SIZE_FRAME_DURATION_BITS 4 |
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#define TAK_SIZE_SAMPLES_NUM_BITS 35 |
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#define TAK_LAST_FRAME_POS_BITS 40 |
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#define TAK_LAST_FRAME_SIZE_BITS 24 |
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#define TAK_ENCODER_CODEC_BITS 6 |
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#define TAK_ENCODER_PROFILE_BITS 4 |
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#define TAK_ENCODER_VERSION_BITS 24 |
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#define TAK_SAMPLE_RATE_MIN 6000 |
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#define TAK_CHANNELS_MIN 1 |
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#define TAK_BPS_MIN 8 |
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#define TAK_FRAME_HEADER_FLAGS_BITS 3 |
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#define TAK_FRAME_HEADER_SYNC_ID 0xA0FF |
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#define TAK_FRAME_HEADER_SYNC_ID_BITS 16 |
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#define TAK_FRAME_HEADER_SAMPLE_COUNT_BITS 14 |
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#define TAK_FRAME_HEADER_NO_BITS 21 |
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#define TAK_FRAME_DURATION_QUANT_SHIFT 5 |
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#define TAK_CRC24_BITS 24 |
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#define TAK_MAX_CHANNELS ( 1 << TAK_FORMAT_CHANNEL_BITS ) |
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@@ -132,17 +134,17 @@ void ff_tak_init_crc(void); |
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int ff_tak_check_crc(const uint8_t *buf, unsigned int buf_size); |
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/** |
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* Parse the Streaminfo metadata block |
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* @param[in] gb pointer to GetBitContext |
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* @param[out] s where parsed information is stored |
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* Parse the Streaminfo metadata block. |
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* @param[in] gb pointer to GetBitContext |
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* @param[out] s storage for parsed information |
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*/ |
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void avpriv_tak_parse_streaminfo(GetBitContext *gb, TAKStreamInfo *s); |
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/** |
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* Validate and decode a frame header. |
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* @param avctx AVCodecContext to use as av_log() context |
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* @param[in] gb GetBitContext from which to read frame header |
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* @param[out] s frame information |
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* @param avctx AVCodecContext to use as av_log() context |
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* @param[in] gb GetBitContext from which to read frame header |
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* @param[out] s frame information |
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* @param log_level_offset log level offset. can be used to silence error messages. |
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* @return non-zero on error, 0 if ok |
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*/ |
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