27 #include <mfx/mfxvideo.h>
114 while (!*got_frame) {
150 #define OFFSET(x) offsetof(QSVMPEG2Context, x)
151 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
175 .priv_class = &
class,
This structure describes decoded (raw) audio or video data.
ptrdiff_t const GLvoid * data
static void flush(AVCodecContext *avctx)
#define LIBAVUTIL_VERSION_INT
static av_cold int init(AVCodecContext *avctx)
int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int(*func)(void *, void *, int))
Feed data from a user-supplied callback to an AVFifoBuffer.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
int ff_qsv_decode_close(QSVContext *q)
int av_fifo_space(const AVFifoBuffer *f)
Return the amount of space in bytes in the AVFifoBuffer, that is the amount of data you can write int...
void av_fifo_free(AVFifoBuffer *f)
Free an AVFifoBuffer.
static void qsv_decode_flush(AVCodecContext *avctx)
int av_packet_ref(AVPacket *dst, const AVPacket *src)
Setup a new reference to the data described by a given packet.
static const AVOption options[]
AVCodec ff_mpeg2_qsv_decoder
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
int av_fifo_generic_read(AVFifoBuffer *f, void *dest, int buf_size, void(*func)(void *, void *, int))
Feed data from an AVFifoBuffer to a user-supplied callback.
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
const char * name
Name of the codec implementation.
AVHWAccel ff_mpeg2_qsv_hwaccel
void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q)
#define ASYNC_DEPTH_DEFAULT
static av_cold int qsv_decode_init(AVCodecContext *avctx)
const char * name
Name of the hardware accelerated codec.
AVFifoBuffer * packet_fifo
static av_cold int qsv_decode_close(AVCodecContext *avctx)
preferred ID for MPEG-1/2 video decoding
Libavcodec external API header.
int av_fifo_size(const AVFifoBuffer *f)
Return the amount of data in bytes in the AVFifoBuffer, that is the amount of data you can read from ...
int av_fifo_realloc2(AVFifoBuffer *f, unsigned int new_size)
Resize an AVFifoBuffer.
main external API structure.
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
a very simple circular buffer FIFO implementation
Describe the class of an AVClass context structure.
HW acceleration through QSV, data[3] contains a pointer to the mfxFrameSurface1 structure.
static enum AVPixelFormat pix_fmts[]
common internal api header.
common internal and external API header
AVFifoBuffer * av_fifo_alloc(unsigned int size)
Initialize an AVFifoBuffer.
static int qsv_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
#define AV_CODEC_CAP_AVOID_PROBING
Decoder is not a preferred choice for probing.
static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
static void qsv_clear_buffers(QSVMPEG2Context *s)
int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q, AVFrame *frame, int *got_frame, AVPacket *pkt)
AVPixelFormat
Pixel format.
This structure stores compressed data.
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.