#include "libavutil/hwcontext_qsv.h"
#include "libavutil/mem.h"
#include "libavutil/log.h"
+#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "libavutil/time.h"
return 0;
}
-static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
+static int qsv_decode_init_context(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
{
int ret;
}
if (!q->initialized) {
- ret = qsv_decode_init(avctx, q, ¶m);
+ ret = qsv_decode_init_context(avctx, q, ¶m);
if (ret < 0)
goto reinit_fail;
q->initialized = 1;
q->orig_pix_fmt = AV_PIX_FMT_NONE;
q->initialized = 0;
}
+
+enum LoadPlugin {
+ LOAD_PLUGIN_NONE,
+ LOAD_PLUGIN_HEVC_SW,
+ LOAD_PLUGIN_HEVC_HW,
+};
+
+typedef struct QSVDecContext {
+ AVClass *class;
+ QSVContext qsv;
+
+ int load_plugin;
+
+ AVFifoBuffer *packet_fifo;
+
+ AVPacket buffer_pkt;
+} QSVDecContext;
+
+static void qsv_clear_buffers(QSVDecContext *s)
+{
+ AVPacket pkt;
+ while (av_fifo_size(s->packet_fifo) >= sizeof(pkt)) {
+ av_fifo_generic_read(s->packet_fifo, &pkt, sizeof(pkt), NULL);
+ av_packet_unref(&pkt);
+ }
+
+ av_packet_unref(&s->buffer_pkt);
+}
+
+static av_cold int qsv_decode_close(AVCodecContext *avctx)
+{
+ QSVDecContext *s = avctx->priv_data;
+
+ av_freep(&s->qsv.load_plugins);
+
+ ff_qsv_decode_close(&s->qsv);
+
+ qsv_clear_buffers(s);
+
+ av_fifo_free(s->packet_fifo);
+
+ return 0;
+}
+
+static av_cold int qsv_decode_init(AVCodecContext *avctx)
+{
+ QSVDecContext *s = avctx->priv_data;
+ int ret;
+ const char *uid = NULL;
+
+ if (avctx->codec_id == AV_CODEC_ID_VP8) {
+ uid = "f622394d8d87452f878c51f2fc9b4131";
+ } else if (avctx->codec_id == AV_CODEC_ID_VP9) {
+ uid = "a922394d8d87452f878c51f2fc9b4131";
+ }
+ else if (avctx->codec_id == AV_CODEC_ID_HEVC && s->load_plugin != LOAD_PLUGIN_NONE) {
+ static const char * const uid_hevcdec_sw = "15dd936825ad475ea34e35f3f54217a6";
+ static const char * const uid_hevcdec_hw = "33a61c0b4c27454ca8d85dde757c6f8e";
+
+ if (s->qsv.load_plugins[0]) {
+ av_log(avctx, AV_LOG_WARNING,
+ "load_plugins is not empty, but load_plugin is not set to 'none'."
+ "The load_plugin value will be ignored.\n");
+ } else {
+ if (s->load_plugin == LOAD_PLUGIN_HEVC_SW)
+ uid = uid_hevcdec_sw;
+ else
+ uid = uid_hevcdec_hw;
+ }
+ }
+ if (uid) {
+ av_freep(&s->qsv.load_plugins);
+ s->qsv.load_plugins = av_strdup(uid);
+ if (!s->qsv.load_plugins)
+ return AVERROR(ENOMEM);
+ }
+
+ s->qsv.orig_pix_fmt = AV_PIX_FMT_NV12;
+ s->packet_fifo = av_fifo_alloc(sizeof(AVPacket));
+ if (!s->packet_fifo) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ return 0;
+fail:
+ qsv_decode_close(avctx);
+ return ret;
+}
+
+static int qsv_decode_frame(AVCodecContext *avctx, void *data,
+ int *got_frame, AVPacket *avpkt)
+{
+ QSVDecContext *s = avctx->priv_data;
+ AVFrame *frame = data;
+ int ret;
+
+ /* buffer the input packet */
+ if (avpkt->size) {
+ AVPacket input_ref;
+
+ if (av_fifo_space(s->packet_fifo) < sizeof(input_ref)) {
+ ret = av_fifo_realloc2(s->packet_fifo,
+ av_fifo_size(s->packet_fifo) + sizeof(input_ref));
+ if (ret < 0)
+ return ret;
+ }
+
+ ret = av_packet_ref(&input_ref, avpkt);
+ if (ret < 0)
+ return ret;
+ av_fifo_generic_write(s->packet_fifo, &input_ref, sizeof(input_ref), NULL);
+ }
+
+ /* process buffered data */
+ while (!*got_frame) {
+ /* prepare the input data */
+ if (s->buffer_pkt.size <= 0) {
+ /* no more data */
+ if (av_fifo_size(s->packet_fifo) < sizeof(AVPacket))
+ return avpkt->size ? avpkt->size : ff_qsv_process_data(avctx, &s->qsv, frame, got_frame, avpkt);
+ /* in progress of reinit, no read from fifo and keep the buffer_pkt */
+ if (!s->qsv.reinit_flag) {
+ av_packet_unref(&s->buffer_pkt);
+ av_fifo_generic_read(s->packet_fifo, &s->buffer_pkt, sizeof(s->buffer_pkt), NULL);
+ }
+ }
+
+ ret = ff_qsv_process_data(avctx, &s->qsv, frame, got_frame, &s->buffer_pkt);
+ if (ret < 0){
+ /* Drop buffer_pkt when failed to decode the packet. Otherwise,
+ the decoder will keep decoding the failure packet. */
+ av_packet_unref(&s->buffer_pkt);
+ return ret;
+ }
+ if (s->qsv.reinit_flag)
+ continue;
+
+ s->buffer_pkt.size -= ret;
+ s->buffer_pkt.data += ret;
+ }
+
+ return avpkt->size;
+}
+
+static void qsv_decode_flush(AVCodecContext *avctx)
+{
+ QSVDecContext *s = avctx->priv_data;
+
+ qsv_clear_buffers(s);
+ ff_qsv_decode_flush(avctx, &s->qsv);
+}
+
+#define OFFSET(x) offsetof(QSVDecContext, x)
+#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
+
+#define DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, opt) \
+static const AVClass x##_qsv_class = { \
+ .class_name = #x "_qsv", \
+ .item_name = av_default_item_name, \
+ .option = opt, \
+ .version = LIBAVUTIL_VERSION_INT, \
+}; \
+AVCodec ff_##x##_qsv_decoder = { \
+ .name = #x "_qsv", \
+ .long_name = NULL_IF_CONFIG_SMALL(#X " video (Intel Quick Sync Video acceleration)"), \
+ .priv_data_size = sizeof(QSVDecContext), \
+ .type = AVMEDIA_TYPE_VIDEO, \
+ .id = AV_CODEC_ID_##X, \
+ .init = qsv_decode_init, \
+ .decode = qsv_decode_frame, \
+ .flush = qsv_decode_flush, \
+ .close = qsv_decode_close, \
+ .bsfs = bsf_name, \
+ .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID, \
+ .priv_class = &x##_qsv_class, \
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, \
+ AV_PIX_FMT_P010, \
+ AV_PIX_FMT_QSV, \
+ AV_PIX_FMT_NONE }, \
+ .hw_configs = ff_qsv_hw_configs, \
+ .wrapper_name = "qsv", \
+}; \
+
+#define DEFINE_QSV_DECODER(x, X, bsf_name) DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, options)
+
+#if CONFIG_HEVC_QSV_DECODER
+static const AVOption hevc_options[] = {
+ { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD },
+
+ { "load_plugin", "A user plugin to load in an internal session", OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_HEVC_HW }, LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_HW, VD, "load_plugin" },
+ { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE }, 0, 0, VD, "load_plugin" },
+ { "hevc_sw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW }, 0, 0, VD, "load_plugin" },
+ { "hevc_hw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_HW }, 0, 0, VD, "load_plugin" },
+
+ { "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session",
+ OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, VD },
+
+ { "gpu_copy", "A GPU-accelerated copy between video and system memory", OFFSET(qsv.gpu_copy), AV_OPT_TYPE_INT, { .i64 = MFX_GPUCOPY_DEFAULT }, MFX_GPUCOPY_DEFAULT, MFX_GPUCOPY_OFF, VD, "gpu_copy"},
+ { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"},
+ { "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"},
+ { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"},
+ { NULL },
+};
+DEFINE_QSV_DECODER_WITH_OPTION(hevc, HEVC, "hevc_mp4toannexb", hevc_options)
+#endif
+
+static const AVOption options[] = {
+ { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD },
+
+ { "gpu_copy", "A GPU-accelerated copy between video and system memory", OFFSET(qsv.gpu_copy), AV_OPT_TYPE_INT, { .i64 = MFX_GPUCOPY_DEFAULT }, MFX_GPUCOPY_DEFAULT, MFX_GPUCOPY_OFF, VD, "gpu_copy"},
+ { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"},
+ { "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"},
+ { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"},
+ { NULL },
+};
+
+#if CONFIG_H264_QSV_DECODER
+DEFINE_QSV_DECODER(h264, H264, "h264_mp4toannexb")
+#endif
+
+#if CONFIG_MPEG2_QSV_DECODER
+DEFINE_QSV_DECODER(mpeg2, MPEG2VIDEO, NULL)
+#endif
+
+#if CONFIG_VC1_QSV_DECODER
+DEFINE_QSV_DECODER(vc1, VC1, NULL)
+#endif
+
+#if CONFIG_MJPEG_QSV_DECODER
+DEFINE_QSV_DECODER(mjpeg, MJPEG, NULL)
+#endif
+
+#if CONFIG_VP8_QSV_DECODER
+DEFINE_QSV_DECODER(vp8, VP8, NULL)
+#endif
+
+#if CONFIG_VP9_QSV_DECODER
+DEFINE_QSV_DECODER(vp9, VP9, NULL)
+#endif
+
+#if CONFIG_AV1_QSV_DECODER
+DEFINE_QSV_DECODER(av1, AV1, NULL)
+#endif
projects / ffmpeg / blobdiff