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author | Derek Buitenhuis <derek.buitenhuis@gmail.com> | 2016-02-16 19:40:06 +0000 |
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committer | Derek Buitenhuis <derek.buitenhuis@gmail.com> | 2016-02-16 19:41:55 +0000 |
commit | c82d31808bdcbafb1489cfb5d8e22c5272b484eb (patch) | |
tree | 641e42cdcf41ee4a7bd59bd81618b53b2173339d | |
parent | 58dd885f9ae7feee002773253e345e11e7142739 (diff) | |
parent | f7d77b9a5dd42bf0f5dffecf590466b4c4239437 (diff) | |
download | ffmpeg-c82d31808bdcbafb1489cfb5d8e22c5272b484eb.tar.gz |
Merge commit 'f7d77b9a5dd42bf0f5dffecf590466b4c4239437'
* commit 'f7d77b9a5dd42bf0f5dffecf590466b4c4239437':
eatqi: Remove MpegEncContext dependency
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
-rwxr-xr-x | configure | 2 | ||||
-rw-r--r-- | libavcodec/Makefile | 2 | ||||
-rw-r--r-- | libavcodec/eatqi.c | 91 |
3 files changed, 54 insertions, 41 deletions
@@ -2284,7 +2284,7 @@ eac3_decoder_select="ac3_decoder" eac3_encoder_select="ac3_encoder" eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo" eatgq_decoder_select="aandcttables" -eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder" +eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp" exr_decoder_select="zlib" ffv1_decoder_select="golomb rangecoder" ffv1_encoder_select="rangecoder" diff --git a/libavcodec/Makefile b/libavcodec/Makefile index f6a4fbbdfc..baffb29f4a 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -258,7 +258,7 @@ OBJS-$(CONFIG_EAMAD_DECODER) += eamad.o eaidct.o mpeg12.o \ mpeg12data.o OBJS-$(CONFIG_EATGQ_DECODER) += eatgq.o eaidct.o OBJS-$(CONFIG_EATGV_DECODER) += eatgv.o -OBJS-$(CONFIG_EATQI_DECODER) += eatqi.o eaidct.o +OBJS-$(CONFIG_EATQI_DECODER) += eatqi.o eaidct.o mpeg12.o mpeg12data.o OBJS-$(CONFIG_EIGHTBPS_DECODER) += 8bps.o OBJS-$(CONFIG_EIGHTSVX_EXP_DECODER) += 8svx.o OBJS-$(CONFIG_EIGHTSVX_FIB_DECODER) += 8svx.o diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c index 3489d5d315..8688f59193 100644 --- a/libavcodec/eatqi.c +++ b/libavcodec/eatqi.c @@ -35,42 +35,51 @@ #include "idctdsp.h" #include "internal.h" #include "mpeg12.h" -#include "mpegvideo.h" typedef struct TqiContext { - MpegEncContext s; + GetBitContext gb; + BlockDSPContext bdsp; BswapDSPContext bsdsp; + IDCTDSPContext idsp; + ScanTable intra_scantable; + void *bitstream_buf; unsigned int bitstream_buf_size; + + int mb_x, mb_y; + uint16_t intra_matrix[64]; + int last_dc[3]; + DECLARE_ALIGNED(16, int16_t, block)[6][64]; + int block_last_index[12]; } TqiContext; static av_cold int tqi_decode_init(AVCodecContext *avctx) { TqiContext *t = avctx->priv_data; - MpegEncContext *s = &t->s; - s->avctx = avctx; - ff_blockdsp_init(&s->bdsp, avctx); + + ff_blockdsp_init(&t->bdsp, avctx); ff_bswapdsp_init(&t->bsdsp); - ff_idctdsp_init(&s->idsp, avctx); - ff_init_scantable_permutation(s->idsp.idct_permutation, FF_IDCT_PERM_NONE); - ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct); - s->qscale = 1; + ff_idctdsp_init(&t->idsp, avctx); + ff_init_scantable_permutation(t->idsp.idct_permutation, FF_IDCT_PERM_NONE); + ff_init_scantable(t->idsp.idct_permutation, &t->intra_scantable, ff_zigzag_direct); + avctx->framerate = (AVRational){ 15, 1 }; avctx->pix_fmt = AV_PIX_FMT_YUV420P; ff_mpeg12_init_vlcs(); return 0; } -static int tqi_decode_mb(MpegEncContext *s, int16_t (*block)[64]) +static int tqi_decode_mb(TqiContext *t, int16_t (*block)[64]) { int n; - s->bdsp.clear_blocks(block[0]); + + t->bdsp.clear_blocks(block[0]); for (n = 0; n < 6; n++) { - int ret = ff_mpeg1_decode_block_intra(&s->gb, - s->intra_matrix, - s->intra_scantable.permutated, - s->last_dc, block[n], n, 1, s->block_last_index); + int ret = ff_mpeg1_decode_block_intra(&t->gb, + t->intra_matrix, + t->intra_scantable.permutated, + t->last_dc, block[n], n, 1, t->block_last_index); if (ret < 0) return -1; } @@ -78,31 +87,34 @@ static int tqi_decode_mb(MpegEncContext *s, int16_t (*block)[64]) return 0; } -static inline void tqi_idct_put(TqiContext *t, AVFrame *frame, int16_t (*block)[64]) +static inline void tqi_idct_put(AVCodecContext *avctx, AVFrame *frame, + int16_t (*block)[64]) { - MpegEncContext *s = &t->s; + TqiContext *t = avctx->priv_data; int linesize = frame->linesize[0]; - uint8_t *dest_y = frame->data[0] + (s->mb_y * 16* linesize ) + s->mb_x * 16; - uint8_t *dest_cb = frame->data[1] + (s->mb_y * 8 * frame->linesize[1]) + s->mb_x * 8; - uint8_t *dest_cr = frame->data[2] + (s->mb_y * 8 * frame->linesize[2]) + s->mb_x * 8; + uint8_t *dest_y = frame->data[0] + t->mb_y * 16 * linesize + t->mb_x * 16; + uint8_t *dest_cb = frame->data[1] + t->mb_y * 8 * frame->linesize[1] + t->mb_x * 8; + uint8_t *dest_cr = frame->data[2] + t->mb_y * 8 * frame->linesize[2] + t->mb_x * 8; ff_ea_idct_put_c(dest_y , linesize, block[0]); ff_ea_idct_put_c(dest_y + 8, linesize, block[1]); ff_ea_idct_put_c(dest_y + 8*linesize , linesize, block[2]); ff_ea_idct_put_c(dest_y + 8*linesize + 8, linesize, block[3]); - if(!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) { + + if (!(avctx->flags & AV_CODEC_FLAG_GRAY)) { ff_ea_idct_put_c(dest_cb, frame->linesize[1], block[4]); ff_ea_idct_put_c(dest_cr, frame->linesize[2], block[5]); } } -static void tqi_calculate_qtable(MpegEncContext *s, int quant) +static void tqi_calculate_qtable(TqiContext *t, int quant) { const int qscale = (215 - 2*quant)*5; int i; - s->intra_matrix[0] = (ff_inv_aanscales[0]*ff_mpeg1_default_intra_matrix[0])>>11; + + t->intra_matrix[0] = (ff_inv_aanscales[0] * ff_mpeg1_default_intra_matrix[0]) >> 11; for(i=1; i<64; i++) - s->intra_matrix[i] = (ff_inv_aanscales[i]*ff_mpeg1_default_intra_matrix[i]*qscale + 32)>>14; + t->intra_matrix[i] = (ff_inv_aanscales[i] * ff_mpeg1_default_intra_matrix[i] * qscale + 32) >> 14; } static int tqi_decode_frame(AVCodecContext *avctx, @@ -113,16 +125,15 @@ static int tqi_decode_frame(AVCodecContext *avctx, int buf_size = avpkt->size; const uint8_t *buf_end = buf+buf_size; TqiContext *t = avctx->priv_data; - MpegEncContext *s = &t->s; AVFrame *frame = data; - int ret; + int ret, w, h; - s->width = AV_RL16(&buf[0]); - s->height = AV_RL16(&buf[2]); - tqi_calculate_qtable(s, buf[4]); + w = AV_RL16(&buf[0]); + h = AV_RL16(&buf[2]); + tqi_calculate_qtable(t, buf[4]); buf += 8; - ret = ff_set_dimensions(s->avctx, s->width, s->height); + ret = ff_set_dimensions(avctx, w, h); if (ret < 0) return ret; @@ -135,15 +146,17 @@ static int tqi_decode_frame(AVCodecContext *avctx, return AVERROR(ENOMEM); t->bsdsp.bswap_buf(t->bitstream_buf, (const uint32_t *) buf, (buf_end - buf) / 4); - init_get_bits(&s->gb, t->bitstream_buf, 8*(buf_end-buf)); - - s->last_dc[0] = s->last_dc[1] = s->last_dc[2] = 0; - for (s->mb_y=0; s->mb_y<(avctx->height+15)/16; s->mb_y++) - for (s->mb_x=0; s->mb_x<(avctx->width+15)/16; s->mb_x++) - { - if (tqi_decode_mb(s, t->block) < 0) - goto end; - tqi_idct_put(t, frame, t->block); + init_get_bits(&t->gb, t->bitstream_buf, 8 * (buf_end - buf)); + + t->last_dc[0] = + t->last_dc[1] = + t->last_dc[2] = 0; + for (t->mb_y = 0; t->mb_y < (h + 15) / 16; t->mb_y++) { + for (t->mb_x = 0; t->mb_x < (w + 15) / 16; t->mb_x++) { + if (tqi_decode_mb(t, t->block) < 0) + goto end; + tqi_idct_put(avctx, frame, t->block); + } } end: |