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author | Aurelien Jacobs <aurel@gnuage.org> | 2006-12-17 22:00:12 +0000 |
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committer | Aurelien Jacobs <aurel@gnuage.org> | 2006-12-17 22:00:12 +0000 |
commit | 9110a0e32d5eb421558145459e2a1fcc9720c170 (patch) | |
tree | 7dbd7d7b28ecd7de0e6e981b84afc82dba377930 /libavcodec | |
parent | 95cefcb4ed4c0af96dea5fb993ee8349d1391021 (diff) | |
download | ffmpeg-streaming-9110a0e32d5eb421558145459e2a1fcc9720c170.zip ffmpeg-streaming-9110a0e32d5eb421558145459e2a1fcc9720c170.tar.gz |
Add support for VP60 and VP61.
Originally committed as revision 7329 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/avcodec.h | 4 | ||||
-rw-r--r-- | libavcodec/vp56.h | 1 | ||||
-rw-r--r-- | libavcodec/vp6.c | 29 | ||||
-rw-r--r-- | libavcodec/vp6data.h | 10 |
4 files changed, 34 insertions, 10 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 33bf2d3..89c45ea 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -37,8 +37,8 @@ extern "C" { #define AV_STRINGIFY(s) AV_TOSTRING(s) #define AV_TOSTRING(s) #s -#define LIBAVCODEC_VERSION_INT ((51<<16)+(26<<8)+0) -#define LIBAVCODEC_VERSION 51.26.0 +#define LIBAVCODEC_VERSION_INT ((51<<16)+(27<<8)+0) +#define LIBAVCODEC_VERSION 51.27.0 #define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT #define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION) diff --git a/libavcodec/vp56.h b/libavcodec/vp56.h index d6808b1..f8b3a8e 100644 --- a/libavcodec/vp56.h +++ b/libavcodec/vp56.h @@ -76,6 +76,7 @@ struct vp56_context { uint8_t *edge_emu_buffer_alloc; uint8_t *edge_emu_buffer; vp56_range_coder_t c; + int sub_version; /* frame info */ int plane_width[3]; diff --git a/libavcodec/vp6.c b/libavcodec/vp6.c index bc0ce81..381fcc8 100644 --- a/libavcodec/vp6.c +++ b/libavcodec/vp6.c @@ -42,7 +42,9 @@ static int vp6_parse_header(vp56_context_t *s, uint8_t *buf, int buf_size, int *golden_frame) { vp56_range_coder_t *c = &s->c; - int parse_filter_info; + int parse_filter_info = 0; + int vrt_shift = 0; + int sub_version; int rows, cols; int res = 1; @@ -53,7 +55,10 @@ static int vp6_parse_header(vp56_context_t *s, uint8_t *buf, int buf_size, vp56_init_dequant(s, (buf[0] >> 1) & 0x3F); if (s->frames[VP56_FRAME_CURRENT].key_frame) { - if ((buf[1] & 0xFE) != 0x46) /* would be 0x36 for VP61 */ + sub_version = buf[1] >> 3; + if (sub_version > 8) + return 0; + if ((buf[1] & 0x06) != 0x06) return 0; if (buf[1] & 1) { av_log(s->avctx, AV_LOG_ERROR, "interlacing not supported\n"); @@ -79,27 +84,37 @@ static int vp6_parse_header(vp56_context_t *s, uint8_t *buf, int buf_size, vp56_rac_gets(c, 2); parse_filter_info = 1; + if (sub_version < 8) + vrt_shift = 5; + s->sub_version = sub_version; } else { + if (!s->sub_version) + return 0; + vp56_init_range_decoder(c, buf+1, buf_size-1); *golden_frame = vp56_rac_get(c); s->deblock_filtering = vp56_rac_get(c); if (s->deblock_filtering) vp56_rac_get(c); - parse_filter_info = vp56_rac_get(c); + if (s->sub_version > 7) + parse_filter_info = vp56_rac_get(c); } if (parse_filter_info) { if (vp56_rac_get(c)) { s->filter_mode = 2; - s->sample_variance_threshold = vp56_rac_gets(c, 5); + s->sample_variance_threshold = vp56_rac_gets(c, 5) << vrt_shift; s->max_vector_length = 2 << vp56_rac_gets(c, 3); } else if (vp56_rac_get(c)) { s->filter_mode = 1; } else { s->filter_mode = 0; } - s->filter_selection = vp56_rac_gets(c, 4); + if (s->sub_version > 7) + s->filter_selection = vp56_rac_gets(c, 4); + else + s->filter_selection = 16; } vp56_rac_get(c); @@ -439,8 +454,8 @@ static void vp6_filter(vp56_context_t *s, uint8_t *dst, uint8_t *src, (FFABS(mv.x) > s->max_vector_length || FFABS(mv.y) > s->max_vector_length)) { filter4 = 0; - } else if (!s->sample_variance_threshold - || (vp6_block_variance(src+offset1, stride) + } else if (s->sample_variance_threshold + && (vp6_block_variance(src+offset1, stride) < s->sample_variance_threshold)) { filter4 = 0; } diff --git a/libavcodec/vp6data.h b/libavcodec/vp6data.h index ba4c7ab..0545a9d 100644 --- a/libavcodec/vp6data.h +++ b/libavcodec/vp6data.h @@ -144,7 +144,7 @@ static const uint8_t vp6_coeff_groups[] = { 5, 5, 5, 5, 5, 5, 5, 5, }; -static const int16_t vp6_block_copy_filter[16][8][4] = { +static const int16_t vp6_block_copy_filter[17][8][4] = { { { 0, 128, 0, 0 }, /* 0 */ { -3, 122, 9, 0 }, { -4, 109, 24, -1 }, @@ -273,6 +273,14 @@ static const int16_t vp6_block_copy_filter[16][8][4] = { { -11, 59, 99, -19 }, { -6, 38, 114, -18 }, { -2, 18, 124, -12 } }, + { { 0, 128, 0, 0 }, /* 16 */ + { -4, 118, 16, -2 }, + { -7, 106, 34, -5 }, + { -8, 90, 53, -7 }, + { -8, 72, 72, -8 }, + { -7, 53, 90, -8 }, + { -5, 34, 106, -7 }, + { -2, 16, 118, -4 } }, }; static const vp56_tree_t vp6_pcr_tree[] = { |