26 #define VPX_CODEC_DISABLE_COMPAT 1 27 #include <vpx/vpx_decoder.h> 28 #include <vpx/vp8dx.h> 36 typedef struct VP8DecoderContext {
41 const struct vpx_codec_iface *iface)
44 struct vpx_codec_dec_cfg deccfg = {
52 if (vpx_codec_dec_init(&ctx->
decoder, iface, &deccfg, 0) != VPX_CODEC_OK) {
53 const char *error = vpx_codec_error(&ctx->
decoder);
68 const void *iter =
NULL;
69 struct vpx_image *img;
74 const char *error = vpx_codec_error(&ctx->
decoder);
75 const char *detail = vpx_codec_error_detail(&ctx->
decoder);
84 if ((img = vpx_codec_get_frame(&ctx->
decoder, &iter))) {
85 if (img->fmt != VPX_IMG_FMT_I420) {
91 if ((
int) img->d_w != avctx->
width || (
int) img->d_h != avctx->
height) {
101 img->stride, avctx->
pix_fmt, img->d_w, img->d_h);
110 vpx_codec_destroy(&ctx->
decoder);
114 #if CONFIG_LIBVPX_VP8_DECODER 117 return vpx_init(avctx, &vpx_codec_vp8_dx_algo);
120 AVCodec ff_libvpx_vp8_decoder = {
133 #if CONFIG_LIBVPX_VP9_DECODER 139 return vpx_init(avctx, &vpx_codec_vp9_dx_algo);
142 AVCodec ff_libvpx_vp9_decoder = {
143 .
name =
"libvpx-vp9",
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
This structure describes decoded (raw) audio or video data.
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
struct vpx_codec_ctx decoder
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
#define AV_LOG_VERBOSE
Detailed information.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int ff_vp9_check_experimental(AVCodecContext *avctx)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void av_log(void *avcl, int level, const char *fmt,...)
const char * name
Name of the codec implementation.
void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4], const uint8_t *src_data[4], const int src_linesizes[4], enum AVPixelFormat pix_fmt, int width, int height)
Copy image in src_data to dst_data.
static av_cold int vp8_free(AVCodecContext *avctx)
static const chunk_decoder decoder[8]
int width
picture width / height.
static av_cold int vpx_init(AVCodecContext *avctx, const struct vpx_codec_iface *iface)
#define CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
static int vp8_decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
#define AV_LOG_INFO
Standard information.
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
main external API structure.
static void close(AVCodecParserContext *s)
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
common internal api header.
common internal and external API header
static av_cold int init(AVCodecParserContext *s)
This structure stores compressed data.