diff --git a/libavcodec/escape130.c b/libavcodec/escape130.c index bfc1f3f09e..544f36d1ac 100644 --- a/libavcodec/escape130.c +++ b/libavcodec/escape130.c @@ -24,7 +24,7 @@ #define BITSTREAM_READER_LE #include "avcodec.h" -#include "get_bits.h" +#include "bitstream.h" #include "internal.h" typedef struct Escape130Context { @@ -163,23 +163,23 @@ static av_cold int escape130_decode_close(AVCodecContext *avctx) return 0; } -static int decode_skip_count(GetBitContext* gb) +static int decode_skip_count(BitstreamContext *bc) { int value; - value = get_bits1(gb); + value = bitstream_read_bit(bc); if (value) return 0; - value = get_bits(gb, 3); + value = bitstream_read(bc, 3); if (value) return value; - value = get_bits(gb, 8); + value = bitstream_read(bc, 8); if (value) return value + 7; - value = get_bits(gb, 15); + value = bitstream_read(bc, 15); if (value) return value + 262; @@ -193,7 +193,7 @@ static int escape130_decode_frame(AVCodecContext *avctx, void *data, int buf_size = avpkt->size; Escape130Context *s = avctx->priv_data; AVFrame *pic = data; - GetBitContext gb; + BitstreamContext bc; int ret; uint8_t *old_y, *old_cb, *old_cr, @@ -216,7 +216,7 @@ static int escape130_decode_frame(AVCodecContext *avctx, void *data, if ((ret = ff_get_buffer(avctx, pic, 0)) < 0) return ret; - init_get_bits(&gb, buf + 16, (buf_size - 16) * 8); + bitstream_init(&bc, buf + 16, (buf_size - 16) * 8); new_y = s->new_y; new_cb = s->new_u; @@ -235,7 +235,7 @@ static int escape130_decode_frame(AVCodecContext *avctx, void *data, // Note that this call will make us skip the rest of the blocks // if the frame ends prematurely. if (skip == -1) - skip = decode_skip_count(&gb); + skip = decode_skip_count(&bc); if (skip == -1) { av_log(avctx, AV_LOG_ERROR, "Error decoding skip value\n"); return AVERROR_INVALIDDATA; @@ -250,31 +250,31 @@ static int escape130_decode_frame(AVCodecContext *avctx, void *data, cb = old_cb[0]; cr = old_cr[0]; } else { - if (get_bits1(&gb)) { - unsigned sign_selector = get_bits(&gb, 6); - unsigned difference_selector = get_bits(&gb, 2); - y_avg = 2 * get_bits(&gb, 5); + if (bitstream_read_bit(&bc)) { + unsigned sign_selector = bitstream_read(&bc, 6); + unsigned difference_selector = bitstream_read(&bc, 2); + y_avg = 2 * bitstream_read(&bc, 5); for (i = 0; i < 4; i++) { y[i] = av_clip(y_avg + offset_table[difference_selector] * sign_table[sign_selector][i], 0, 63); } - } else if (get_bits1(&gb)) { - if (get_bits1(&gb)) { - y_avg = get_bits(&gb, 6); + } else if (bitstream_read_bit(&bc)) { + if (bitstream_read_bit(&bc)) { + y_avg = bitstream_read(&bc, 6); } else { - unsigned adjust_index = get_bits(&gb, 3); + unsigned adjust_index = bitstream_read(&bc, 3); y_avg = (y_avg + luma_adjust[adjust_index]) & 63; } for (i = 0; i < 4; i++) y[i] = y_avg; } - if (get_bits1(&gb)) { - if (get_bits1(&gb)) { - cb = get_bits(&gb, 5); - cr = get_bits(&gb, 5); + if (bitstream_read_bit(&bc)) { + if (bitstream_read_bit(&bc)) { + cb = bitstream_read(&bc, 5); + cr = bitstream_read(&bc, 5); } else { - unsigned adjust_index = get_bits(&gb, 3); + unsigned adjust_index = bitstream_read(&bc, 3); cb = (cb + chroma_adjust[0][adjust_index]) & 31; cr = (cr + chroma_adjust[1][adjust_index]) & 31; } @@ -333,7 +333,7 @@ static int escape130_decode_frame(AVCodecContext *avctx, void *data, } ff_dlog(avctx, "Frame data: provided %d bytes, used %d bytes\n", - buf_size, get_bits_count(&gb) >> 3); + buf_size, bitstream_tell(&bc) >> 3); FFSWAP(uint8_t*, s->old_y, s->new_y); FFSWAP(uint8_t*, s->old_u, s->new_u);