diff options
Diffstat (limited to 'chromium/third_party/ffmpeg/libavcodec/sanm.c')
| -rw-r--r-- | chromium/third_party/ffmpeg/libavcodec/sanm.c | 506 |
1 files changed, 363 insertions, 143 deletions
diff --git a/chromium/third_party/ffmpeg/libavcodec/sanm.c b/chromium/third_party/ffmpeg/libavcodec/sanm.c index a6c1c01e5c8..880ef8fa223 100644 --- a/chromium/third_party/ffmpeg/libavcodec/sanm.c +++ b/chromium/third_party/ffmpeg/libavcodec/sanm.c @@ -20,26 +20,253 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -// #define DEBUG 1 +#include "libavutil/avassert.h" +#include "libavutil/bswap.h" +#include "libavutil/imgutils.h" #include "avcodec.h" -#include "copy_block.h" #include "bytestream.h" +#include "copy_block.h" #include "internal.h" -#include "libavutil/bswap.h" -#include "libavutil/imgutils.h" -#include "sanm_data.h" -#include "libavutil/avassert.h" #define NGLYPHS 256 +#define GLYPH_COORD_VECT_SIZE 16 +#define PALETTE_SIZE 256 +#define PALETTE_DELTA 768 + +static const int8_t glyph4_x[GLYPH_COORD_VECT_SIZE] = { + 0, 1, 2, 3, 3, 3, 3, 2, 1, 0, 0, 0, 1, 2, 2, 1 +}; + +static const int8_t glyph4_y[GLYPH_COORD_VECT_SIZE] = { + 0, 0, 0, 0, 1, 2, 3, 3, 3, 3, 2, 1, 1, 1, 2, 2 +}; + +static const int8_t glyph8_x[GLYPH_COORD_VECT_SIZE] = { + 0, 2, 5, 7, 7, 7, 7, 7, 7, 5, 2, 0, 0, 0, 0, 0 +}; -typedef struct { +static const int8_t glyph8_y[GLYPH_COORD_VECT_SIZE] = { + 0, 0, 0, 0, 1, 3, 4, 6, 7, 7, 7, 7, 6, 4, 3, 1 +}; + +static const int8_t motion_vectors[256][2] = { + { 0, 0 }, { -1, -43 }, { 6, -43 }, { -9, -42 }, { 13, -41 }, + { -16, -40 }, { 19, -39 }, { -23, -36 }, { 26, -34 }, { -2, -33 }, + { 4, -33 }, { -29, -32 }, { -9, -32 }, { 11, -31 }, { -16, -29 }, + { 32, -29 }, { 18, -28 }, { -34, -26 }, { -22, -25 }, { -1, -25 }, + { 3, -25 }, { -7, -24 }, { 8, -24 }, { 24, -23 }, { 36, -23 }, + { -12, -22 }, { 13, -21 }, { -38, -20 }, { 0, -20 }, { -27, -19 }, + { -4, -19 }, { 4, -19 }, { -17, -18 }, { -8, -17 }, { 8, -17 }, + { 18, -17 }, { 28, -17 }, { 39, -17 }, { -12, -15 }, { 12, -15 }, + { -21, -14 }, { -1, -14 }, { 1, -14 }, { -41, -13 }, { -5, -13 }, + { 5, -13 }, { 21, -13 }, { -31, -12 }, { -15, -11 }, { -8, -11 }, + { 8, -11 }, { 15, -11 }, { -2, -10 }, { 1, -10 }, { 31, -10 }, + { -23, -9 }, { -11, -9 }, { -5, -9 }, { 4, -9 }, { 11, -9 }, + { 42, -9 }, { 6, -8 }, { 24, -8 }, { -18, -7 }, { -7, -7 }, + { -3, -7 }, { -1, -7 }, { 2, -7 }, { 18, -7 }, { -43, -6 }, + { -13, -6 }, { -4, -6 }, { 4, -6 }, { 8, -6 }, { -33, -5 }, + { -9, -5 }, { -2, -5 }, { 0, -5 }, { 2, -5 }, { 5, -5 }, + { 13, -5 }, { -25, -4 }, { -6, -4 }, { -3, -4 }, { 3, -4 }, + { 9, -4 }, { -19, -3 }, { -7, -3 }, { -4, -3 }, { -2, -3 }, + { -1, -3 }, { 0, -3 }, { 1, -3 }, { 2, -3 }, { 4, -3 }, + { 6, -3 }, { 33, -3 }, { -14, -2 }, { -10, -2 }, { -5, -2 }, + { -3, -2 }, { -2, -2 }, { -1, -2 }, { 0, -2 }, { 1, -2 }, + { 2, -2 }, { 3, -2 }, { 5, -2 }, { 7, -2 }, { 14, -2 }, + { 19, -2 }, { 25, -2 }, { 43, -2 }, { -7, -1 }, { -3, -1 }, + { -2, -1 }, { -1, -1 }, { 0, -1 }, { 1, -1 }, { 2, -1 }, + { 3, -1 }, { 10, -1 }, { -5, 0 }, { -3, 0 }, { -2, 0 }, + { -1, 0 }, { 1, 0 }, { 2, 0 }, { 3, 0 }, { 5, 0 }, + { 7, 0 }, { -10, 1 }, { -7, 1 }, { -3, 1 }, { -2, 1 }, + { -1, 1 }, { 0, 1 }, { 1, 1 }, { 2, 1 }, { 3, 1 }, + { -43, 2 }, { -25, 2 }, { -19, 2 }, { -14, 2 }, { -5, 2 }, + { -3, 2 }, { -2, 2 }, { -1, 2 }, { 0, 2 }, { 1, 2 }, + { 2, 2 }, { 3, 2 }, { 5, 2 }, { 7, 2 }, { 10, 2 }, + { 14, 2 }, { -33, 3 }, { -6, 3 }, { -4, 3 }, { -2, 3 }, + { -1, 3 }, { 0, 3 }, { 1, 3 }, { 2, 3 }, { 4, 3 }, + { 19, 3 }, { -9, 4 }, { -3, 4 }, { 3, 4 }, { 7, 4 }, + { 25, 4 }, { -13, 5 }, { -5, 5 }, { -2, 5 }, { 0, 5 }, + { 2, 5 }, { 5, 5 }, { 9, 5 }, { 33, 5 }, { -8, 6 }, + { -4, 6 }, { 4, 6 }, { 13, 6 }, { 43, 6 }, { -18, 7 }, + { -2, 7 }, { 0, 7 }, { 2, 7 }, { 7, 7 }, { 18, 7 }, + { -24, 8 }, { -6, 8 }, { -42, 9 }, { -11, 9 }, { -4, 9 }, + { 5, 9 }, { 11, 9 }, { 23, 9 }, { -31, 10 }, { -1, 10 }, + { 2, 10 }, { -15, 11 }, { -8, 11 }, { 8, 11 }, { 15, 11 }, + { 31, 12 }, { -21, 13 }, { -5, 13 }, { 5, 13 }, { 41, 13 }, + { -1, 14 }, { 1, 14 }, { 21, 14 }, { -12, 15 }, { 12, 15 }, + { -39, 17 }, { -28, 17 }, { -18, 17 }, { -8, 17 }, { 8, 17 }, + { 17, 18 }, { -4, 19 }, { 0, 19 }, { 4, 19 }, { 27, 19 }, + { 38, 20 }, { -13, 21 }, { 12, 22 }, { -36, 23 }, { -24, 23 }, + { -8, 24 }, { 7, 24 }, { -3, 25 }, { 1, 25 }, { 22, 25 }, + { 34, 26 }, { -18, 28 }, { -32, 29 }, { 16, 29 }, { -11, 31 }, + { 9, 32 }, { 29, 32 }, { -4, 33 }, { 2, 33 }, { -26, 34 }, + { 23, 36 }, { -19, 39 }, { 16, 40 }, { -13, 41 }, { 9, 42 }, + { -6, 43 }, { 1, 43 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, +}; + +static const int8_t c37_mv[] = { + 0, 0, 1, 0, 2, 0, 3, 0, 5, 0, + 8, 0, 13, 0, 21, 0, -1, 0, -2, 0, + -3, 0, -5, 0, -8, 0, -13, 0, -17, 0, + -21, 0, 0, 1, 1, 1, 2, 1, 3, 1, + 5, 1, 8, 1, 13, 1, 21, 1, -1, 1, + -2, 1, -3, 1, -5, 1, -8, 1, -13, 1, + -17, 1, -21, 1, 0, 2, 1, 2, 2, 2, + 3, 2, 5, 2, 8, 2, 13, 2, 21, 2, + -1, 2, -2, 2, -3, 2, -5, 2, -8, 2, + -13, 2, -17, 2, -21, 2, 0, 3, 1, 3, + 2, 3, 3, 3, 5, 3, 8, 3, 13, 3, + 21, 3, -1, 3, -2, 3, -3, 3, -5, 3, + -8, 3, -13, 3, -17, 3, -21, 3, 0, 5, + 1, 5, 2, 5, 3, 5, 5, 5, 8, 5, + 13, 5, 21, 5, -1, 5, -2, 5, -3, 5, + -5, 5, -8, 5, -13, 5, -17, 5, -21, 5, + 0, 8, 1, 8, 2, 8, 3, 8, 5, 8, + 8, 8, 13, 8, 21, 8, -1, 8, -2, 8, + -3, 8, -5, 8, -8, 8, -13, 8, -17, 8, + -21, 8, 0, 13, 1, 13, 2, 13, 3, 13, + 5, 13, 8, 13, 13, 13, 21, 13, -1, 13, + -2, 13, -3, 13, -5, 13, -8, 13, -13, 13, + -17, 13, -21, 13, 0, 21, 1, 21, 2, 21, + 3, 21, 5, 21, 8, 21, 13, 21, 21, 21, + -1, 21, -2, 21, -3, 21, -5, 21, -8, 21, + -13, 21, -17, 21, -21, 21, 0, -1, 1, -1, + 2, -1, 3, -1, 5, -1, 8, -1, 13, -1, + 21, -1, -1, -1, -2, -1, -3, -1, -5, -1, + -8, -1, -13, -1, -17, -1, -21, -1, 0, -2, + 1, -2, 2, -2, 3, -2, 5, -2, 8, -2, + 13, -2, 21, -2, -1, -2, -2, -2, -3, -2, + -5, -2, -8, -2, -13, -2, -17, -2, -21, -2, + 0, -3, 1, -3, 2, -3, 3, -3, 5, -3, + 8, -3, 13, -3, 21, -3, -1, -3, -2, -3, + -3, -3, -5, -3, -8, -3, -13, -3, -17, -3, + -21, -3, 0, -5, 1, -5, 2, -5, 3, -5, + 5, -5, 8, -5, 13, -5, 21, -5, -1, -5, + -2, -5, -3, -5, -5, -5, -8, -5, -13, -5, + -17, -5, -21, -5, 0, -8, 1, -8, 2, -8, + 3, -8, 5, -8, 8, -8, 13, -8, 21, -8, + -1, -8, -2, -8, -3, -8, -5, -8, -8, -8, + -13, -8, -17, -8, -21, -8, 0, -13, 1, -13, + 2, -13, 3, -13, 5, -13, 8, -13, 13, -13, + 21, -13, -1, -13, -2, -13, -3, -13, -5, -13, + -8, -13, -13, -13, -17, -13, -21, -13, 0, -17, + 1, -17, 2, -17, 3, -17, 5, -17, 8, -17, + 13, -17, 21, -17, -1, -17, -2, -17, -3, -17, + -5, -17, -8, -17, -13, -17, -17, -17, -21, -17, + 0, -21, 1, -21, 2, -21, 3, -21, 5, -21, + 8, -21, 13, -21, 21, -21, -1, -21, -2, -21, + -3, -21, -5, -21, -8, -21, -13, -21, -17, -21, + 0, 0, -8, -29, 8, -29, -18, -25, 17, -25, + 0, -23, -6, -22, 6, -22, -13, -19, 12, -19, + 0, -18, 25, -18, -25, -17, -5, -17, 5, -17, + -10, -15, 10, -15, 0, -14, -4, -13, 4, -13, + 19, -13, -19, -12, -8, -11, -2, -11, 0, -11, + 2, -11, 8, -11, -15, -10, -4, -10, 4, -10, + 15, -10, -6, -9, -1, -9, 1, -9, 6, -9, + -29, -8, -11, -8, -8, -8, -3, -8, 3, -8, + 8, -8, 11, -8, 29, -8, -5, -7, -2, -7, + 0, -7, 2, -7, 5, -7, -22, -6, -9, -6, + -6, -6, -3, -6, -1, -6, 1, -6, 3, -6, + 6, -6, 9, -6, 22, -6, -17, -5, -7, -5, + -4, -5, -2, -5, 0, -5, 2, -5, 4, -5, + 7, -5, 17, -5, -13, -4, -10, -4, -5, -4, + -3, -4, -1, -4, 0, -4, 1, -4, 3, -4, + 5, -4, 10, -4, 13, -4, -8, -3, -6, -3, + -4, -3, -3, -3, -2, -3, -1, -3, 0, -3, + 1, -3, 2, -3, 4, -3, 6, -3, 8, -3, + -11, -2, -7, -2, -5, -2, -3, -2, -2, -2, + -1, -2, 0, -2, 1, -2, 2, -2, 3, -2, + 5, -2, 7, -2, 11, -2, -9, -1, -6, -1, + -4, -1, -3, -1, -2, -1, -1, -1, 0, -1, + 1, -1, 2, -1, 3, -1, 4, -1, 6, -1, + 9, -1, -31, 0, -23, 0, -18, 0, -14, 0, + -11, 0, -7, 0, -5, 0, -4, 0, -3, 0, + -2, 0, -1, 0, 0, -31, 1, 0, 2, 0, + 3, 0, 4, 0, 5, 0, 7, 0, 11, 0, + 14, 0, 18, 0, 23, 0, 31, 0, -9, 1, + -6, 1, -4, 1, -3, 1, -2, 1, -1, 1, + 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, + 6, 1, 9, 1, -11, 2, -7, 2, -5, 2, + -3, 2, -2, 2, -1, 2, 0, 2, 1, 2, + 2, 2, 3, 2, 5, 2, 7, 2, 11, 2, + -8, 3, -6, 3, -4, 3, -2, 3, -1, 3, + 0, 3, 1, 3, 2, 3, 3, 3, 4, 3, + 6, 3, 8, 3, -13, 4, -10, 4, -5, 4, + -3, 4, -1, 4, 0, 4, 1, 4, 3, 4, + 5, 4, 10, 4, 13, 4, -17, 5, -7, 5, + -4, 5, -2, 5, 0, 5, 2, 5, 4, 5, + 7, 5, 17, 5, -22, 6, -9, 6, -6, 6, + -3, 6, -1, 6, 1, 6, 3, 6, 6, 6, + 9, 6, 22, 6, -5, 7, -2, 7, 0, 7, + 2, 7, 5, 7, -29, 8, -11, 8, -8, 8, + -3, 8, 3, 8, 8, 8, 11, 8, 29, 8, + -6, 9, -1, 9, 1, 9, 6, 9, -15, 10, + -4, 10, 4, 10, 15, 10, -8, 11, -2, 11, + 0, 11, 2, 11, 8, 11, 19, 12, -19, 13, + -4, 13, 4, 13, 0, 14, -10, 15, 10, 15, + -5, 17, 5, 17, 25, 17, -25, 18, 0, 18, + -12, 19, 13, 19, -6, 22, 6, 22, 0, 23, + -17, 25, 18, 25, -8, 29, 8, 29, 0, 31, + 0, 0, -6, -22, 6, -22, -13, -19, 12, -19, + 0, -18, -5, -17, 5, -17, -10, -15, 10, -15, + 0, -14, -4, -13, 4, -13, 19, -13, -19, -12, + -8, -11, -2, -11, 0, -11, 2, -11, 8, -11, + -15, -10, -4, -10, 4, -10, 15, -10, -6, -9, + -1, -9, 1, -9, 6, -9, -11, -8, -8, -8, + -3, -8, 0, -8, 3, -8, 8, -8, 11, -8, + -5, -7, -2, -7, 0, -7, 2, -7, 5, -7, + -22, -6, -9, -6, -6, -6, -3, -6, -1, -6, + 1, -6, 3, -6, 6, -6, 9, -6, 22, -6, + -17, -5, -7, -5, -4, -5, -2, -5, -1, -5, + 0, -5, 1, -5, 2, -5, 4, -5, 7, -5, + 17, -5, -13, -4, -10, -4, -5, -4, -3, -4, + -2, -4, -1, -4, 0, -4, 1, -4, 2, -4, + 3, -4, 5, -4, 10, -4, 13, -4, -8, -3, + -6, -3, -4, -3, -3, -3, -2, -3, -1, -3, + 0, -3, 1, -3, 2, -3, 3, -3, 4, -3, + 6, -3, 8, -3, -11, -2, -7, -2, -5, -2, + -4, -2, -3, -2, -2, -2, -1, -2, 0, -2, + 1, -2, 2, -2, 3, -2, 4, -2, 5, -2, + 7, -2, 11, -2, -9, -1, -6, -1, -5, -1, + -4, -1, -3, -1, -2, -1, -1, -1, 0, -1, + 1, -1, 2, -1, 3, -1, 4, -1, 5, -1, + 6, -1, 9, -1, -23, 0, -18, 0, -14, 0, + -11, 0, -7, 0, -5, 0, -4, 0, -3, 0, + -2, 0, -1, 0, 0, -23, 1, 0, 2, 0, + 3, 0, 4, 0, 5, 0, 7, 0, 11, 0, + 14, 0, 18, 0, 23, 0, -9, 1, -6, 1, + -5, 1, -4, 1, -3, 1, -2, 1, -1, 1, + 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, + 5, 1, 6, 1, 9, 1, -11, 2, -7, 2, + -5, 2, -4, 2, -3, 2, -2, 2, -1, 2, + 0, 2, 1, 2, 2, 2, 3, 2, 4, 2, + 5, 2, 7, 2, 11, 2, -8, 3, -6, 3, + -4, 3, -3, 3, -2, 3, -1, 3, 0, 3, + 1, 3, 2, 3, 3, 3, 4, 3, 6, 3, + 8, 3, -13, 4, -10, 4, -5, 4, -3, 4, + -2, 4, -1, 4, 0, 4, 1, 4, 2, 4, + 3, 4, 5, 4, 10, 4, 13, 4, -17, 5, + -7, 5, -4, 5, -2, 5, -1, 5, 0, 5, + 1, 5, 2, 5, 4, 5, 7, 5, 17, 5, + -22, 6, -9, 6, -6, 6, -3, 6, -1, 6, + 1, 6, 3, 6, 6, 6, 9, 6, 22, 6, + -5, 7, -2, 7, 0, 7, 2, 7, 5, 7, + -11, 8, -8, 8, -3, 8, 0, 8, 3, 8, + 8, 8, 11, 8, -6, 9, -1, 9, 1, 9, + 6, 9, -15, 10, -4, 10, 4, 10, 15, 10, + -8, 11, -2, 11, 0, 11, 2, 11, 8, 11, + 19, 12, -19, 13, -4, 13, 4, 13, 0, 14, + -10, 15, 10, 15, -5, 17, 5, 17, 0, 18, + -12, 19, 13, 19, -6, 22, 6, 22, 0, 23, +}; + +typedef struct SANMVideoContext { AVCodecContext *avctx; GetByteContext gb; int version, subversion; - uint32_t pal[256]; - int16_t delta_pal[768]; + uint32_t pal[PALETTE_SIZE]; + int16_t delta_pal[PALETTE_DELTA]; int pitch; int width, height; @@ -66,7 +293,7 @@ typedef struct { int8_t p8x8glyphs[NGLYPHS][64]; } SANMVideoContext; -typedef struct { +typedef struct SANMFrameHeader { int seq_num, codec, rotate_code, rle_output_size; uint16_t bg_color; @@ -100,17 +327,16 @@ static enum GlyphEdge which_edge(int x, int y, int edge_size) { const int edge_max = edge_size - 1; - if (!y) { + if (!y) return BOTTOM_EDGE; - } else if (y == edge_max) { + else if (y == edge_max) return TOP_EDGE; - } else if (!x) { + else if (!x) return LEFT_EDGE; - } else if (x == edge_max) { + else if (x == edge_max) return RIGHT_EDGE; - } else { + else return NO_EDGE; - } } static enum GlyphDir which_direction(enum GlyphEdge edge0, enum GlyphEdge edge1) @@ -118,27 +344,24 @@ static enum GlyphDir which_direction(enum GlyphEdge edge0, enum GlyphEdge edge1) if ((edge0 == LEFT_EDGE && edge1 == RIGHT_EDGE) || (edge1 == LEFT_EDGE && edge0 == RIGHT_EDGE) || (edge0 == BOTTOM_EDGE && edge1 != TOP_EDGE) || - (edge1 == BOTTOM_EDGE && edge0 != TOP_EDGE)) { + (edge1 == BOTTOM_EDGE && edge0 != TOP_EDGE)) return DIR_UP; - } else if ((edge0 == TOP_EDGE && edge1 != BOTTOM_EDGE) || - (edge1 == TOP_EDGE && edge0 != BOTTOM_EDGE)) { + else if ((edge0 == TOP_EDGE && edge1 != BOTTOM_EDGE) || + (edge1 == TOP_EDGE && edge0 != BOTTOM_EDGE)) return DIR_DOWN; - } else if ((edge0 == LEFT_EDGE && edge1 != RIGHT_EDGE) || - (edge1 == LEFT_EDGE && edge0 != RIGHT_EDGE)) { + else if ((edge0 == LEFT_EDGE && edge1 != RIGHT_EDGE) || + (edge1 == LEFT_EDGE && edge0 != RIGHT_EDGE)) return DIR_LEFT; - } else if ((edge0 == TOP_EDGE && edge1 == BOTTOM_EDGE) || - (edge1 == TOP_EDGE && edge0 == BOTTOM_EDGE) || - (edge0 == RIGHT_EDGE && edge1 != LEFT_EDGE) || - (edge1 == RIGHT_EDGE && edge0 != LEFT_EDGE)) { + else if ((edge0 == TOP_EDGE && edge1 == BOTTOM_EDGE) || + (edge1 == TOP_EDGE && edge0 == BOTTOM_EDGE) || + (edge0 == RIGHT_EDGE && edge1 != LEFT_EDGE) || + (edge1 == RIGHT_EDGE && edge0 != LEFT_EDGE)) return DIR_RIGHT; - } return NO_DIR; } -/** - * Interpolate two points. - */ +/* Interpolate two points. */ static void interp_point(int8_t *points, int x0, int y0, int x1, int y1, int pos, int npoints) { @@ -152,11 +375,11 @@ static void interp_point(int8_t *points, int x0, int y0, int x1, int y1, } /** - * Construct glyphs by iterating through vectors coordinates. + * Construct glyphs by iterating through vector coordinates. * * @param pglyphs pointer to table where glyphs are stored - * @param xvec pointer to x component of vectors coordinates - * @param yvec pointer to y component of vectors coordinates + * @param xvec pointer to x component of vector coordinates + * @param yvec pointer to y component of vector coordinates * @param side_length glyph width/height. */ static void make_glyphs(int8_t *pglyphs, const int8_t *xvec, const int8_t *yvec, @@ -167,15 +390,15 @@ static void make_glyphs(int8_t *pglyphs, const int8_t *xvec, const int8_t *yvec, int i, j; for (i = 0; i < GLYPH_COORD_VECT_SIZE; i++) { - int x0 = xvec[i]; - int y0 = yvec[i]; + int x0 = xvec[i]; + int y0 = yvec[i]; enum GlyphEdge edge0 = which_edge(x0, y0, side_length); for (j = 0; j < GLYPH_COORD_VECT_SIZE; j++, pglyph += glyph_size) { - int x1 = xvec[j]; - int y1 = yvec[j]; - enum GlyphEdge edge1 = which_edge(x1, y1, side_length); - enum GlyphDir dir = which_direction(edge0, edge1); + int x1 = xvec[j]; + int y1 = yvec[j]; + enum GlyphEdge edge1 = which_edge(x1, y1, side_length); + enum GlyphDir dir = which_direction(edge0, edge1); int npoints = FFMAX(FFABS(x1 - x0), FFABS(y1 - y0)); int ipoint; @@ -217,7 +440,7 @@ static void init_sizes(SANMVideoContext *ctx, int width, int height) ctx->height = height; ctx->npixels = width * height; - ctx->aligned_width = FFALIGN(width, 8); + ctx->aligned_width = FFALIGN(width, 8); ctx->aligned_height = FFALIGN(height, 8); ctx->buf_size = ctx->aligned_width * ctx->aligned_height * sizeof(ctx->frm0[0]); @@ -242,9 +465,11 @@ static av_cold int init_buffers(SANMVideoContext *ctx) av_fast_padded_malloc(&ctx->frm1, &ctx->frm1_size, ctx->buf_size); av_fast_padded_malloc(&ctx->frm2, &ctx->frm2_size, ctx->buf_size); if (!ctx->version) - av_fast_padded_malloc(&ctx->stored_frame, &ctx->stored_frame_size, ctx->buf_size); + av_fast_padded_malloc(&ctx->stored_frame, + &ctx->stored_frame_size, ctx->buf_size); - if (!ctx->frm0 || !ctx->frm1 || !ctx->frm2 || (!ctx->stored_frame && !ctx->version)) { + if (!ctx->frm0 || !ctx->frm1 || !ctx->frm2 || + (!ctx->stored_frame && !ctx->version)) { destroy_buffers(ctx); return AVERROR(ENOMEM); } @@ -254,7 +479,6 @@ static av_cold int init_buffers(SANMVideoContext *ctx) static void rotate_bufs(SANMVideoContext *ctx, int rotate_code) { - av_dlog(ctx->avctx, "rotate %d\n", rotate_code); if (rotate_code == 2) FFSWAP(uint16_t*, ctx->frm1, ctx->frm2); FFSWAP(uint16_t*, ctx->frm2, ctx->frm0); @@ -264,14 +488,14 @@ static av_cold int decode_init(AVCodecContext *avctx) { SANMVideoContext *ctx = avctx->priv_data; - ctx->avctx = avctx; - ctx->version = !avctx->extradata_size; + ctx->avctx = avctx; + ctx->version = !avctx->extradata_size; avctx->pix_fmt = ctx->version ? AV_PIX_FMT_RGB565 : AV_PIX_FMT_PAL8; init_sizes(ctx, avctx->width, avctx->height); if (init_buffers(ctx)) { - av_log(avctx, AV_LOG_ERROR, "error allocating buffers\n"); + av_log(avctx, AV_LOG_ERROR, "Error allocating buffers.\n"); return AVERROR(ENOMEM); } @@ -282,12 +506,12 @@ static av_cold int decode_init(AVCodecContext *avctx) int i; if (avctx->extradata_size < 1026) { - av_log(avctx, AV_LOG_ERROR, "not enough extradata\n"); + av_log(avctx, AV_LOG_ERROR, "Not enough extradata.\n"); return AVERROR_INVALIDDATA; } ctx->subversion = AV_RL16(avctx->extradata); - for (i = 0; i < 256; i++) + for (i = 0; i < PALETTE_SIZE; i++) ctx->pal[i] = 0xFFU << 24 | AV_RL32(avctx->extradata + 2 + i * 4); } @@ -332,7 +556,7 @@ static int rle_decode(SANMVideoContext *ctx, uint8_t *dst, const int out_size) static int old_codec1(SANMVideoContext *ctx, int top, int left, int width, int height) { - uint8_t *dst = ((uint8_t*)ctx->frm0) + left + top * ctx->pitch; + uint8_t *dst = ((uint8_t *)ctx->frm0) + left + top * ctx->pitch; int i, j, len, flag, code, val, pos, end; for (i = 0; i < height; i++) { @@ -400,22 +624,21 @@ static int old_codec37(SANMVideoContext *ctx, int top, { int stride = ctx->pitch; int i, j, k, t; - int skip_run = 0; - int compr, mvoff, seq, flags; - uint32_t decoded_size; uint8_t *dst, *prev; + int skip_run = 0; + int compr = bytestream2_get_byte(&ctx->gb); + int mvoff = bytestream2_get_byte(&ctx->gb); + int seq = bytestream2_get_le16(&ctx->gb); + uint32_t decoded_size = bytestream2_get_le32(&ctx->gb); + int flags; - compr = bytestream2_get_byte(&ctx->gb); - mvoff = bytestream2_get_byte(&ctx->gb); - seq = bytestream2_get_le16(&ctx->gb); - decoded_size = bytestream2_get_le32(&ctx->gb); bytestream2_skip(&ctx->gb, 4); - flags = bytestream2_get_byte(&ctx->gb); + flags = bytestream2_get_byte(&ctx->gb); bytestream2_skip(&ctx->gb, 3); if (decoded_size > ctx->height * stride - left - top * stride) { decoded_size = ctx->height * stride - left - top * stride; - av_log(ctx->avctx, AV_LOG_WARNING, "decoded size is too large\n"); + av_log(ctx->avctx, AV_LOG_WARNING, "Decoded size is too large.\n"); } ctx->rotate_code = 0; @@ -427,10 +650,10 @@ static int old_codec37(SANMVideoContext *ctx, int top, prev = ((uint8_t*)ctx->frm2) + left + top * stride; if (mvoff > 2) { - av_log(ctx->avctx, AV_LOG_ERROR, "invalid motion base value %d\n", mvoff); + av_log(ctx->avctx, AV_LOG_ERROR, "Invalid motion base value %d.\n", mvoff); return AVERROR_INVALIDDATA; } - av_dlog(ctx->avctx, "compression %d\n", compr); + switch (compr) { case 0: for (i = 0; i < height; i++) { @@ -489,7 +712,7 @@ static int old_codec37(SANMVideoContext *ctx, int top, } else { int mx, my; - mx = c37_mv[(mvoff * 255 + code) * 2 ]; + mx = c37_mv[(mvoff * 255 + code) * 2]; my = c37_mv[(mvoff * 255 + code) * 2 + 1]; codec37_mv(dst + i, prev + i + mx + my * stride, ctx->height, stride, i + mx, j + my); @@ -534,8 +757,8 @@ static int old_codec37(SANMVideoContext *ctx, int top, } break; default: - av_log(ctx->avctx, AV_LOG_ERROR, - "subcodec 37 compression %d not implemented\n", compr); + avpriv_report_missing_feature(ctx->avctx, + "Subcodec 37 compression %d", compr); return AVERROR_PATCHWELCOME; } @@ -559,10 +782,10 @@ static int process_block(SANMVideoContext *ctx, uint8_t *dst, uint8_t *prev1, if (size == 2) { if (bytestream2_get_bytes_left(&ctx->gb) < 4) return AVERROR_INVALIDDATA; - dst[0] = bytestream2_get_byteu(&ctx->gb); - dst[1] = bytestream2_get_byteu(&ctx->gb); - dst[0+stride] = bytestream2_get_byteu(&ctx->gb); - dst[1+stride] = bytestream2_get_byteu(&ctx->gb); + dst[0] = bytestream2_get_byteu(&ctx->gb); + dst[1] = bytestream2_get_byteu(&ctx->gb); + dst[0 + stride] = bytestream2_get_byteu(&ctx->gb); + dst[1 + stride] = bytestream2_get_byteu(&ctx->gb); } else { size >>= 1; if (process_block(ctx, dst, prev1, prev2, stride, tbl, size)) @@ -615,13 +838,13 @@ static int process_block(SANMVideoContext *ctx, uint8_t *dst, uint8_t *prev1, } else { int mx = motion_vectors[code][0]; int my = motion_vectors[code][1]; - int index = prev2 - (const uint8_t*)ctx->frm2; + int index = prev2 - (const uint8_t *)ctx->frm2; - av_assert2(index >= 0 && index < (ctx->buf_size>>1)); + av_assert2(index >= 0 && index < (ctx->buf_size >> 1)); - if (index < - mx - my*stride || - (ctx->buf_size>>1) - index < mx + size + (my + size - 1)*stride) { - av_log(ctx->avctx, AV_LOG_ERROR, "MV is invalid \n"); + if (index < -mx - my * stride || + (ctx->buf_size >> 1) - index < mx + size + (my + size - 1) * stride) { + av_log(ctx->avctx, AV_LOG_ERROR, "MV is invalid.\n"); return AVERROR_INVALIDDATA; } @@ -635,25 +858,25 @@ static int process_block(SANMVideoContext *ctx, uint8_t *dst, uint8_t *prev1, static int old_codec47(SANMVideoContext *ctx, int top, int left, int width, int height) { - int i, j, seq, compr, new_rot, tbl_pos, skip; - int stride = ctx->pitch; - uint8_t *dst = ((uint8_t*)ctx->frm0) + left + top * stride; - uint8_t *prev1 = (uint8_t*)ctx->frm1; - uint8_t *prev2 = (uint8_t*)ctx->frm2; uint32_t decoded_size; + int i, j; + int stride = ctx->pitch; + uint8_t *dst = (uint8_t *)ctx->frm0 + left + top * stride; + uint8_t *prev1 = (uint8_t *)ctx->frm1; + uint8_t *prev2 = (uint8_t *)ctx->frm2; + int tbl_pos = bytestream2_tell(&ctx->gb); + int seq = bytestream2_get_le16(&ctx->gb); + int compr = bytestream2_get_byte(&ctx->gb); + int new_rot = bytestream2_get_byte(&ctx->gb); + int skip = bytestream2_get_byte(&ctx->gb); - tbl_pos = bytestream2_tell(&ctx->gb); - seq = bytestream2_get_le16(&ctx->gb); - compr = bytestream2_get_byte(&ctx->gb); - new_rot = bytestream2_get_byte(&ctx->gb); - skip = bytestream2_get_byte(&ctx->gb); bytestream2_skip(&ctx->gb, 9); decoded_size = bytestream2_get_le32(&ctx->gb); bytestream2_skip(&ctx->gb, 8); if (decoded_size > ctx->height * stride - left - top * stride) { decoded_size = ctx->height * stride - left - top * stride; - av_log(ctx->avctx, AV_LOG_WARNING, "decoded size is too large\n"); + av_log(ctx->avctx, AV_LOG_WARNING, "Decoded size is too large.\n"); } if (skip & 1) @@ -663,7 +886,7 @@ static int old_codec47(SANMVideoContext *ctx, int top, memset(prev1, 0, ctx->height * stride); memset(prev2, 0, ctx->height * stride); } - av_dlog(ctx->avctx, "compression %d\n", compr); + switch (compr) { case 0: if (bytestream2_get_bytes_left(&ctx->gb) < width * height) @@ -678,8 +901,10 @@ static int old_codec47(SANMVideoContext *ctx, int top, return AVERROR_INVALIDDATA; for (j = 0; j < height; j += 2) { for (i = 0; i < width; i += 2) { - dst[i] = dst[i + 1] = - dst[stride + i] = dst[stride + i + 1] = bytestream2_get_byteu(&ctx->gb); + dst[i] = + dst[i + 1] = + dst[stride + i] = + dst[stride + i + 1] = bytestream2_get_byteu(&ctx->gb); } dst += stride * 2; } @@ -687,11 +912,10 @@ static int old_codec47(SANMVideoContext *ctx, int top, case 2: if (seq == ctx->prev_seq + 1) { for (j = 0; j < height; j += 8) { - for (i = 0; i < width; i += 8) { + for (i = 0; i < width; i += 8) if (process_block(ctx, dst + i, prev1 + i, prev2 + i, stride, tbl_pos + 8, 8)) return AVERROR_INVALIDDATA; - } dst += stride * 8; prev1 += stride * 8; prev2 += stride * 8; @@ -709,8 +933,8 @@ static int old_codec47(SANMVideoContext *ctx, int top, return AVERROR_INVALIDDATA; break; default: - av_log(ctx->avctx, AV_LOG_ERROR, - "subcodec 47 compression %d not implemented\n", compr); + avpriv_report_missing_feature(ctx->avctx, + "Subcodec 47 compression %d", compr); return AVERROR_PATCHWELCOME; } if (seq == ctx->prev_seq + 1) @@ -724,34 +948,31 @@ static int old_codec47(SANMVideoContext *ctx, int top, static int process_frame_obj(SANMVideoContext *ctx) { - uint16_t codec, top, left, w, h; - - codec = bytestream2_get_le16u(&ctx->gb); - left = bytestream2_get_le16u(&ctx->gb); - top = bytestream2_get_le16u(&ctx->gb); - w = bytestream2_get_le16u(&ctx->gb); - h = bytestream2_get_le16u(&ctx->gb); + uint16_t codec = bytestream2_get_le16u(&ctx->gb); + uint16_t left = bytestream2_get_le16u(&ctx->gb); + uint16_t top = bytestream2_get_le16u(&ctx->gb); + uint16_t w = bytestream2_get_le16u(&ctx->gb); + uint16_t h = bytestream2_get_le16u(&ctx->gb); if (!w || !h) { - av_log(ctx->avctx, AV_LOG_ERROR, "dimensions are invalid\n"); + av_log(ctx->avctx, AV_LOG_ERROR, "Dimensions are invalid.\n"); return AVERROR_INVALIDDATA; } if (ctx->width < left + w || ctx->height < top + h) { int ret = ff_set_dimensions(ctx->avctx, FFMAX(left + w, ctx->width), - FFMAX(top + h, ctx->height)); + FFMAX(top + h, ctx->height)); if (ret < 0) return ret; init_sizes(ctx, FFMAX(left + w, ctx->width), - FFMAX(top + h, ctx->height)); + FFMAX(top + h, ctx->height)); if (init_buffers(ctx)) { - av_log(ctx->avctx, AV_LOG_ERROR, "error resizing buffers\n"); + av_log(ctx->avctx, AV_LOG_ERROR, "Error resizing buffers.\n"); return AVERROR(ENOMEM); } } bytestream2_skip(&ctx->gb, 4); - av_dlog(ctx->avctx, "subcodec %d\n", codec); switch (codec) { case 1: case 3: @@ -764,7 +985,7 @@ static int process_frame_obj(SANMVideoContext *ctx) return old_codec47(ctx, top, left, w, h); break; default: - avpriv_request_sample(ctx->avctx, "unknown subcodec %d", codec); + avpriv_request_sample(ctx->avctx, "Subcodec %d", codec); return AVERROR_PATCHWELCOME; } } @@ -775,7 +996,7 @@ static int decode_0(SANMVideoContext *ctx) int x, y; if (bytestream2_get_bytes_left(&ctx->gb) < ctx->width * ctx->height * 2) { - av_log(ctx->avctx, AV_LOG_ERROR, "insufficient data for raw frame\n"); + av_log(ctx->avctx, AV_LOG_ERROR, "Insufficient data for raw frame.\n"); return AVERROR_INVALIDDATA; } for (y = 0; y < ctx->height; y++) { @@ -788,7 +1009,7 @@ static int decode_0(SANMVideoContext *ctx) static int decode_nop(SANMVideoContext *ctx) { - avpriv_request_sample(ctx->avctx, "unknown/unsupported compression type"); + avpriv_request_sample(ctx->avctx, "Unknown/unsupported compression type"); return AVERROR_PATCHWELCOME; } @@ -821,15 +1042,16 @@ static void fill_block(uint16_t *pdest, uint16_t color, int block_size, int pitc *pdest++ = color; } -static int draw_glyph(SANMVideoContext *ctx, uint16_t *dst, int index, uint16_t fg_color, - uint16_t bg_color, int block_size, int pitch) +static int draw_glyph(SANMVideoContext *ctx, uint16_t *dst, int index, + uint16_t fg_color, uint16_t bg_color, int block_size, + int pitch) { int8_t *pglyph; uint16_t colors[2] = { fg_color, bg_color }; int x, y; if (index >= NGLYPHS) { - av_log(ctx->avctx, AV_LOG_ERROR, "ignoring nonexistent glyph #%u\n", index); + av_log(ctx->avctx, AV_LOG_ERROR, "Ignoring nonexistent glyph #%u.\n", index); return AVERROR_INVALIDDATA; } @@ -853,9 +1075,12 @@ static int opcode_0xf7(SANMVideoContext *ctx, int cx, int cy, int block_size, in return AVERROR_INVALIDDATA; indices = bytestream2_get_le32u(&ctx->gb); - dst[0] = ctx->codebook[indices & 0xFF]; indices >>= 8; - dst[1] = ctx->codebook[indices & 0xFF]; indices >>= 8; - dst[pitch] = ctx->codebook[indices & 0xFF]; indices >>= 8; + dst[0] = ctx->codebook[indices & 0xFF]; + indices >>= 8; + dst[1] = ctx->codebook[indices & 0xFF]; + indices >>= 8; + dst[pitch] = ctx->codebook[indices & 0xFF]; + indices >>= 8; dst[pitch + 1] = ctx->codebook[indices & 0xFF]; } else { uint16_t fgcolor, bgcolor; @@ -909,10 +1134,10 @@ static int good_mvec(SANMVideoContext *ctx, int cx, int cy, int mx, int my, int good = start_pos >= 0 && end_pos < (ctx->buf_size >> 1); - if (!good) { - av_log(ctx->avctx, AV_LOG_ERROR, "ignoring invalid motion vector (%i, %i)->(%u, %u), block size = %u\n", + if (!good) + av_log(ctx->avctx, AV_LOG_ERROR, + "Ignoring invalid motion vector (%i, %i)->(%u, %u), block size = %u\n", cx + mx, cy + my, cx, cy, block_size); - } return good; } @@ -927,7 +1152,6 @@ static int codec2subblock(SANMVideoContext *ctx, int cx, int cy, int blk_size) opcode = bytestream2_get_byteu(&ctx->gb); - av_dlog(ctx->avctx, "opcode 0x%0X cx %d cy %d blk %d\n", opcode, cx, cy, blk_size); switch (opcode) { default: mx = motion_vectors[opcode][0]; @@ -989,11 +1213,11 @@ static int codec2subblock(SANMVideoContext *ctx, int cx, int cy, int blk_size) opcode_0xf8(ctx, cx, cy, blk_size, ctx->pitch); } else { blk_size >>= 1; - if (codec2subblock(ctx, cx , cy , blk_size)) + if (codec2subblock(ctx, cx, cy, blk_size)) return AVERROR_INVALIDDATA; - if (codec2subblock(ctx, cx + blk_size, cy , blk_size)) + if (codec2subblock(ctx, cx + blk_size, cy, blk_size)) return AVERROR_INVALIDDATA; - if (codec2subblock(ctx, cx , cy + blk_size, blk_size)) + if (codec2subblock(ctx, cx, cy + blk_size, blk_size)) return AVERROR_INVALIDDATA; if (codec2subblock(ctx, cx + blk_size, cy + blk_size, blk_size)) return AVERROR_INVALIDDATA; @@ -1007,12 +1231,10 @@ static int decode_2(SANMVideoContext *ctx) { int cx, cy, ret; - for (cy = 0; cy < ctx->aligned_height; cy += 8) { - for (cx = 0; cx < ctx->aligned_width; cx += 8) { + for (cy = 0; cy < ctx->aligned_height; cy += 8) + for (cx = 0; cx < ctx->aligned_width; cx += 8) if (ret = codec2subblock(ctx, cx, cy, 8)) return ret; - } - } return 0; } @@ -1058,7 +1280,7 @@ static int decode_6(SANMVideoContext *ctx) uint16_t *frm = ctx->frm0; if (bytestream2_get_bytes_left(&ctx->gb) < npixels) { - av_log(ctx->avctx, AV_LOG_ERROR, "insufficient data for frame\n"); + av_log(ctx->avctx, AV_LOG_ERROR, "Insufficient data for frame.\n"); return AVERROR_INVALIDDATA; } while (npixels--) @@ -1075,7 +1297,7 @@ static int decode_8(SANMVideoContext *ctx) av_fast_malloc(&ctx->rle_buf, &ctx->rle_buf_size, npixels); if (!ctx->rle_buf) { - av_log(ctx->avctx, AV_LOG_ERROR, "RLE buffer allocation failed\n"); + av_log(ctx->avctx, AV_LOG_ERROR, "RLE buffer allocation failed.\n"); return AVERROR(ENOMEM); } rsrc = ctx->rle_buf; @@ -1101,7 +1323,7 @@ static int read_frame_header(SANMVideoContext *ctx, SANMFrameHeader *hdr) int i, ret; if ((ret = bytestream2_get_bytes_left(&ctx->gb)) < 560) { - av_log(ctx->avctx, AV_LOG_ERROR, "too short input frame (%d bytes)\n", + av_log(ctx->avctx, AV_LOG_ERROR, "Input frame too short (%d bytes).\n", ret); return AVERROR_INVALIDDATA; } @@ -1111,7 +1333,7 @@ static int read_frame_header(SANMVideoContext *ctx, SANMFrameHeader *hdr) hdr->height = bytestream2_get_le32u(&ctx->gb); if (hdr->width != ctx->width || hdr->height != ctx->height) { - av_log(ctx->avctx, AV_LOG_ERROR, "variable size frames are not implemented\n"); + avpriv_report_missing_feature(ctx->avctx, "Variable size frames"); return AVERROR_PATCHWELCOME; } @@ -1133,7 +1355,6 @@ static int read_frame_header(SANMVideoContext *ctx, SANMFrameHeader *hdr) bytestream2_skip(&ctx->gb, 8); // skip pad - av_dlog(ctx->avctx, "subcodec %d\n", hdr->codec); return 0; } @@ -1186,17 +1407,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, pos = bytestream2_tell(&ctx->gb); if (bytestream2_get_bytes_left(&ctx->gb) < size) { - av_log(avctx, AV_LOG_ERROR, "incorrect chunk size %d\n", size); + av_log(avctx, AV_LOG_ERROR, "Incorrect chunk size %d.\n", size); break; } switch (sig) { case MKBETAG('N', 'P', 'A', 'L'): - if (size != 256 * 3) { - av_log(avctx, AV_LOG_ERROR, "incorrect palette block size %d\n", - size); + if (size != PALETTE_SIZE * 3) { + av_log(avctx, AV_LOG_ERROR, + "Incorrect palette block size %d.\n", size); return AVERROR_INVALIDDATA; } - for (i = 0; i < 256; i++) + for (i = 0; i < PALETTE_SIZE; i++) ctx->pal[i] = 0xFFU << 24 | bytestream2_get_be24u(&ctx->gb); break; case MKBETAG('F', 'O', 'B', 'J'): @@ -1210,7 +1431,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, uint8_t tmp[3]; int j; - for (i = 0; i < 256; i++) { + for (i = 0; i < PALETTE_SIZE; i++) { for (j = 0; j < 3; j++) { int t = (ctx->pal[i] >> (16 - j * 8)) & 0xFF; tmp[j] = av_clip_uint8((t * 129 + ctx->delta_pal[i * 3 + j]) >> 7); @@ -1218,16 +1439,16 @@ static int decode_frame(AVCodecContext *avctx, void *data, ctx->pal[i] = 0xFFU << 24 | AV_RB24(tmp); } } else { - if (size < 768 * 2 + 4) { - av_log(avctx, AV_LOG_ERROR, "incorrect palette change block size %d\n", + if (size < PALETTE_DELTA * 2 + 4) { + av_log(avctx, AV_LOG_ERROR, "Incorrect palette change block size %d.\n", size); return AVERROR_INVALIDDATA; } bytestream2_skipu(&ctx->gb, 4); - for (i = 0; i < 768; i++) + for (i = 0; i < PALETTE_DELTA; i++) ctx->delta_pal[i] = bytestream2_get_le16u(&ctx->gb); - if (size >= 768 * 5 + 4) { - for (i = 0; i < 256; i++) + if (size >= PALETTE_DELTA * 5 + 4) { + for (i = 0; i < PALETTE_SIZE; i++) ctx->pal[i] = 0xFFU << 24 | bytestream2_get_be24u(&ctx->gb); } else { memset(ctx->pal, 0, sizeof(ctx->pal)); @@ -1242,7 +1463,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, break; default: bytestream2_skip(&ctx->gb, size); - av_log(avctx, AV_LOG_DEBUG, "unknown/unsupported chunk %x\n", sig); + av_log(avctx, AV_LOG_DEBUG, "Unknown/unsupported chunk %x.\n", sig); break; } @@ -1273,12 +1494,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, if (header.codec < FF_ARRAY_ELEMS(v1_decoders)) { if ((ret = v1_decoders[header.codec](ctx))) { av_log(avctx, AV_LOG_ERROR, - "subcodec %d: error decoding frame\n", header.codec); + "Subcodec %d: error decoding frame.\n", header.codec); return ret; } } else { - avpriv_request_sample(avctx, "subcodec %d", - header.codec); + avpriv_request_sample(avctx, "Subcodec %d", header.codec); return AVERROR_PATCHWELCOME; } @@ -1288,14 +1508,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, if (ctx->rotate_code) rotate_bufs(ctx, ctx->rotate_code); - *got_frame_ptr = 1; + *got_frame_ptr = 1; return pkt->size; } AVCodec ff_sanm_decoder = { .name = "sanm", - .long_name = NULL_IF_CONFIG_SMALL("LucasArts SMUSH video"), + .long_name = NULL_IF_CONFIG_SMALL("LucasArts SANM/Smush video"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_SANM, .priv_data_size = sizeof(SANMVideoContext), |