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@ -23,6 +23,7 @@ |
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#include <inttypes.h> |
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#include "libavutil/avassert.h" |
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#include "libavutil/thread.h" |
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#include "avcodec.h" |
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#include "bytestream.h" |
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@ -274,8 +275,32 @@ typedef struct MobiClipContext { |
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static VLC rl_vlc[2]; |
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static VLC mv_vlc[2][16]; |
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static av_cold void mobiclip_init_static(void) |
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{ |
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INIT_VLC_STATIC_FROM_LENGTHS(&rl_vlc[0], MOBI_RL_VLC_BITS, 104, |
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bits0, sizeof(*bits0), |
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syms0, sizeof(*syms0), sizeof(*syms0), |
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0, 0, 1 << MOBI_RL_VLC_BITS); |
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INIT_VLC_STATIC_FROM_LENGTHS(&rl_vlc[1], MOBI_RL_VLC_BITS, 104, |
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bits0, sizeof(*bits0), |
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syms1, sizeof(*syms1), sizeof(*syms1), |
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0, 0, 1 << MOBI_RL_VLC_BITS); |
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for (int i = 0; i < 2; i++) { |
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static VLC_TYPE vlc_buf[2 * 16 << MOBI_MV_VLC_BITS][2]; |
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for (int j = 0; j < 16; j++) { |
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mv_vlc[i][j].table = &vlc_buf[(16 * i + j) << MOBI_MV_VLC_BITS]; |
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mv_vlc[i][j].table_allocated = 1 << MOBI_MV_VLC_BITS; |
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ff_init_vlc_from_lengths(&mv_vlc[i][j], MOBI_MV_VLC_BITS, mv_len[j], |
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mv_bits[i][j], sizeof(*mv_bits[i][j]), |
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mv_syms[i][j], sizeof(*mv_syms[i][j]), sizeof(*mv_syms[i][j]), |
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0, INIT_VLC_USE_NEW_STATIC, NULL); |
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} |
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} |
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} |
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static av_cold int mobiclip_init(AVCodecContext *avctx) |
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{ |
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static AVOnce init_static_once = AV_ONCE_INIT; |
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MobiClipContext *s = avctx->priv_data; |
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if (avctx->width & 15 || avctx->height & 15) { |
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@ -298,25 +323,7 @@ static av_cold int mobiclip_init(AVCodecContext *avctx) |
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return AVERROR(ENOMEM); |
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} |
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INIT_VLC_STATIC_FROM_LENGTHS(&rl_vlc[0], MOBI_RL_VLC_BITS, 104, |
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bits0, sizeof(*bits0), |
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syms0, sizeof(*syms0), sizeof(*syms0), |
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0, 0, 1 << MOBI_RL_VLC_BITS); |
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INIT_VLC_STATIC_FROM_LENGTHS(&rl_vlc[1], MOBI_RL_VLC_BITS, 104, |
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bits0, sizeof(*bits0), |
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syms1, sizeof(*syms1), sizeof(*syms1), |
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0, 0, 1 << MOBI_RL_VLC_BITS); |
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for (int i = 0; i < 2; i++) { |
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static VLC_TYPE vlc_buf[2 * 16 << MOBI_MV_VLC_BITS][2]; |
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for (int j = 0; j < 16; j++) { |
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mv_vlc[i][j].table = &vlc_buf[(16 * i + j) << MOBI_MV_VLC_BITS]; |
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mv_vlc[i][j].table_allocated = 1 << MOBI_MV_VLC_BITS; |
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ff_init_vlc_from_lengths(&mv_vlc[i][j], MOBI_MV_VLC_BITS, mv_len[j], |
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mv_bits[i][j], sizeof(*mv_bits[i][j]), |
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mv_syms[i][j], sizeof(*mv_syms[i][j]), sizeof(*mv_syms[i][j]), |
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0, INIT_VLC_USE_NEW_STATIC, NULL); |
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} |
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} |
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ff_thread_once(&init_static_once, mobiclip_init_static); |
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return 0; |
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} |
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@ -1343,5 +1350,5 @@ AVCodec ff_mobiclip_decoder = { |
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.flush = mobiclip_flush, |
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.close = mobiclip_close, |
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.capabilities = AV_CODEC_CAP_DR1, |
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.caps_internal = FF_CODEC_CAP_INIT_CLEANUP, |
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.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP, |
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}; |
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