const AVClass *class;
AVFifoBuffer *fifo;
AVRational time_base; ///< time_base to set in the output link
+ AVRational frame_rate; ///< frame_rate to set in the output link
/* video only */
int h, w;
char *pix_fmt_str;
AVRational pixel_aspect;
+ AVBufferRef *hw_frames_ctx;
+
/* audio only */
int sample_rate;
enum AVSampleFormat sample_fmt;
uint64_t channel_layout;
char *channel_layout_str;
+ int got_format_from_params;
int eof;
} BufferSourceContext;
return AVERROR(EINVAL);\
}
+AVBufferSrcParameters *av_buffersrc_parameters_alloc(void)
+{
+ AVBufferSrcParameters *par = av_mallocz(sizeof(*par));
+ if (!par)
+ return NULL;
+
+ par->format = -1;
+
+ return par;
+}
+
+int av_buffersrc_parameters_set(AVFilterContext *ctx, AVBufferSrcParameters *param)
+{
+ BufferSourceContext *s = ctx->priv;
+
+ if (param->time_base.num > 0 && param->time_base.den > 0)
+ s->time_base = param->time_base;
+
+ switch (ctx->filter->outputs[0].type) {
+ case AVMEDIA_TYPE_VIDEO:
+ if (param->format != AV_PIX_FMT_NONE) {
+ s->got_format_from_params = 1;
+ s->pix_fmt = param->format;
+ }
+ if (param->width > 0)
+ s->w = param->width;
+ if (param->height > 0)
+ s->h = param->height;
+ if (param->sample_aspect_ratio.num > 0 && param->sample_aspect_ratio.den > 0)
+ s->pixel_aspect = param->sample_aspect_ratio;
+ if (param->frame_rate.num > 0 && param->frame_rate.den > 0)
+ s->frame_rate = param->frame_rate;
+ if (param->hw_frames_ctx) {
+ av_buffer_unref(&s->hw_frames_ctx);
+ s->hw_frames_ctx = av_buffer_ref(param->hw_frames_ctx);
+ if (!s->hw_frames_ctx)
+ return AVERROR(ENOMEM);
+ }
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ if (param->format != AV_SAMPLE_FMT_NONE) {
+ s->got_format_from_params = 1;
+ s->sample_fmt = param->format;
+ }
+ if (param->sample_rate > 0)
+ s->sample_rate = param->sample_rate;
+ if (param->channel_layout)
+ s->channel_layout = param->channel_layout;
+ break;
+ default:
+ return AVERROR_BUG;
+ }
+
+ return 0;
+}
+
int attribute_align_arg av_buffersrc_write_frame(AVFilterContext *ctx, const AVFrame *frame)
{
AVFrame *copy;
return 0;
}
-#if FF_API_AVFILTERBUFFER
-FF_DISABLE_DEPRECATION_WARNINGS
-static void compat_free_buffer(void *opaque, uint8_t *data)
-{
- AVFilterBufferRef *buf = opaque;
- avfilter_unref_buffer(buf);
-}
-
-static void compat_unref_buffer(void *opaque, uint8_t *data)
-{
- AVBufferRef *buf = opaque;
- av_buffer_unref(&buf);
-}
-
-int av_buffersrc_buffer(AVFilterContext *ctx, AVFilterBufferRef *buf)
-{
- BufferSourceContext *s = ctx->priv;
- AVFrame *frame = NULL;
- AVBufferRef *dummy_buf = NULL;
- int ret = 0, planes, i;
-
- if (!buf) {
- s->eof = 1;
- return 0;
- } else if (s->eof)
- return AVERROR(EINVAL);
-
- frame = av_frame_alloc();
- if (!frame)
- return AVERROR(ENOMEM);
-
- dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, buf, 0);
- if (!dummy_buf) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
-
- if ((ret = avfilter_copy_buf_props(frame, buf)) < 0)
- goto fail;
-
-#define WRAP_PLANE(ref_out, data, data_size) \
-do { \
- AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \
- if (!dummy_ref) { \
- ret = AVERROR(ENOMEM); \
- goto fail; \
- } \
- ref_out = av_buffer_create(data, data_size, compat_unref_buffer, \
- dummy_ref, 0); \
- if (!ref_out) { \
- av_buffer_unref(&dummy_ref); \
- av_frame_unref(frame); \
- ret = AVERROR(ENOMEM); \
- goto fail; \
- } \
-} while (0)
-
- if (ctx->outputs[0]->type == AVMEDIA_TYPE_VIDEO) {
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
-
- planes = av_pix_fmt_count_planes(frame->format);
- if (!desc || planes <= 0) {
- ret = AVERROR(EINVAL);
- goto fail;
- }
-
- for (i = 0; i < planes; i++) {
- int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
- int plane_size = (frame->height >> v_shift) * frame->linesize[i];
-
- WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
- }
- } else {
- int planar = av_sample_fmt_is_planar(frame->format);
- int channels = av_get_channel_layout_nb_channels(frame->channel_layout);
-
- planes = planar ? channels : 1;
-
- if (planes > FF_ARRAY_ELEMS(frame->buf)) {
- frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf);
- frame->extended_buf = av_mallocz(sizeof(*frame->extended_buf) *
- frame->nb_extended_buf);
- if (!frame->extended_buf) {
- ret = AVERROR(ENOMEM);
- goto fail;
- }
- }
-
- for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)
- WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);
-
- for (i = 0; i < planes - FF_ARRAY_ELEMS(frame->buf); i++)
- WRAP_PLANE(frame->extended_buf[i],
- frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)],
- frame->linesize[0]);
- }
-
- ret = av_buffersrc_add_frame(ctx, frame);
-
-fail:
- av_buffer_unref(&dummy_buf);
- av_frame_free(&frame);
-
- return ret;
-}
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
static av_cold int init_video(AVFilterContext *ctx)
{
BufferSourceContext *c = ctx->priv;
- if (!c->pix_fmt_str || !c->w || !c->h || av_q2d(c->time_base) <= 0) {
+ if (!(c->pix_fmt_str || c->got_format_from_params) || !c->w || !c->h ||
+ av_q2d(c->time_base) <= 0) {
av_log(ctx, AV_LOG_ERROR, "Invalid parameters provided.\n");
return AVERROR(EINVAL);
}
- if ((c->pix_fmt = av_get_pix_fmt(c->pix_fmt_str)) == AV_PIX_FMT_NONE) {
- char *tail;
- c->pix_fmt = strtol(c->pix_fmt_str, &tail, 10);
- if (*tail || c->pix_fmt < 0 || !av_pix_fmt_desc_get(c->pix_fmt)) {
- av_log(ctx, AV_LOG_ERROR, "Invalid pixel format string '%s'\n", c->pix_fmt_str);
- return AVERROR(EINVAL);
+ if (c->pix_fmt_str) {
+ if ((c->pix_fmt = av_get_pix_fmt(c->pix_fmt_str)) == AV_PIX_FMT_NONE) {
+ char *tail;
+ c->pix_fmt = strtol(c->pix_fmt_str, &tail, 10);
+ if (*tail || c->pix_fmt < 0 || !av_pix_fmt_desc_get(c->pix_fmt)) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid pixel format string '%s'\n", c->pix_fmt_str);
+ return AVERROR(EINVAL);
+ }
}
}
if (!(c->fifo = av_fifo_alloc(sizeof(AVFrame*))))
return AVERROR(ENOMEM);
- av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s\n", c->w, c->h, av_get_pix_fmt_name(c->pix_fmt));
+ av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s tb:%d/%d sar:%d/%d\n",
+ c->w, c->h, av_get_pix_fmt_name(c->pix_fmt),
+ c->time_base.num, c->time_base.den,
+ c->pixel_aspect.num, c->pixel_aspect.den);
return 0;
}
{ "sar_num", "deprecated, do not use", OFFSET(pixel_aspect.num), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, V },
{ "sar_den", "deprecated, do not use", OFFSET(pixel_aspect.den), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, V },
#endif
- { "sar", "sample aspect ratio", OFFSET(pixel_aspect), AV_OPT_TYPE_RATIONAL, { .dbl = 1 }, 0, DBL_MAX, V },
+ { "sar", "sample aspect ratio", OFFSET(pixel_aspect), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
{ "time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
+ { "frame_rate", NULL, OFFSET(frame_rate), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
{ NULL },
};
BufferSourceContext *s = ctx->priv;
int ret = 0;
- s->sample_fmt = av_get_sample_fmt(s->sample_fmt_str);
+ if (!(s->sample_fmt_str || s->got_format_from_params)) {
+ av_log(ctx, AV_LOG_ERROR, "Sample format not provided\n");
+ return AVERROR(EINVAL);
+ }
+ if (s->sample_fmt_str)
+ s->sample_fmt = av_get_sample_fmt(s->sample_fmt_str);
+
if (s->sample_fmt == AV_SAMPLE_FMT_NONE) {
av_log(ctx, AV_LOG_ERROR, "Invalid sample format %s.\n",
s->sample_fmt_str);
return AVERROR(EINVAL);
}
- s->channel_layout = av_get_channel_layout(s->channel_layout_str);
+ if (s->channel_layout_str)
+ s->channel_layout = av_get_channel_layout(s->channel_layout_str);
+
if (!s->channel_layout) {
av_log(ctx, AV_LOG_ERROR, "Invalid channel layout %s.\n",
s->channel_layout_str);
av_fifo_generic_read(s->fifo, &frame, sizeof(frame), NULL);
av_frame_free(&frame);
}
+ av_buffer_unref(&s->hw_frames_ctx);
av_fifo_free(s->fifo);
s->fifo = NULL;
}
link->w = c->w;
link->h = c->h;
link->sample_aspect_ratio = c->pixel_aspect;
+
+ if (c->hw_frames_ctx) {
+ link->hw_frames_ctx = av_buffer_ref(c->hw_frames_ctx);
+ if (!link->hw_frames_ctx)
+ return AVERROR(ENOMEM);
+ }
break;
case AVMEDIA_TYPE_AUDIO:
link->channel_layout = c->channel_layout;
}
link->time_base = c->time_base;
+ link->frame_rate = c->frame_rate;
return 0;
}
}
av_fifo_generic_read(c->fifo, &frame, sizeof(frame), NULL);
- ff_filter_frame(link, frame);
+ ret = ff_filter_frame(link, frame);
return ret;
}