generic-library/vpx
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Merge "vpxenc: support scaling prior to encoding" into experimental

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This commit is contained in:
John Koleszar 2013-02-27 10:59:21 -08:00 committed by Gerrit Code Review
commit 4b6fb94637
2 changed files with 44 additions and 12 deletions
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15
examples.mk
View File

@ -8,6 +8,12 @@
## be found in the AUTHORS file in the root of the source tree.
##
LIBYUV_SRCS += third_party/libyuv/include/libyuv/basic_types.h \
third_party/libyuv/include/libyuv/cpu_id.h \
third_party/libyuv/include/libyuv/scale.h \
third_party/libyuv/source/row.h \
third_party/libyuv/source/scale.c \
third_party/libyuv/source/cpu_id.c
# List of examples to build. UTILS are files that are taken from the source
# tree directly, and GEN_EXAMPLES are files that are created from the
@ -36,6 +42,7 @@ vpxenc.SRCS += vpx_ports/vpx_timer.h
vpxenc.SRCS += libmkv/EbmlIDs.h
vpxenc.SRCS += libmkv/EbmlWriter.c
vpxenc.SRCS += libmkv/EbmlWriter.h
vpxenc.SRCS += $(LIBYUV_SRCS)
vpxenc.GUID = 548DEC74-7A15-4B2B-AFC3-AA102E7C25C1
vpxenc.DESCRIPTION = Full featured encoder
UTILS-$(CONFIG_VP8_ENCODER) += vp8_scalable_patterns.c
@ -99,13 +106,7 @@ vp8cx_set_ref.DESCRIPTION = VP8 set encoder reference frame
# C file is provided, not generated automatically.
UTILS-$(CONFIG_MULTI_RES_ENCODING) += vp8_multi_resolution_encoder.c
vp8_multi_resolution_encoder.SRCS \
+= third_party/libyuv/include/libyuv/basic_types.h \
third_party/libyuv/include/libyuv/cpu_id.h \
third_party/libyuv/include/libyuv/scale.h \
third_party/libyuv/source/row.h \
third_party/libyuv/source/scale.c \
third_party/libyuv/source/cpu_id.c
vp8_multi_resolution_encoder.SRCS += $(LIBYUV_SRCS)
vp8_multi_resolution_encoder.GUID = 04f8738e-63c8-423b-90fa-7c2703a374de
vp8_multi_resolution_encoder.DESCRIPTION = VP8 Multiple-resolution Encoding

41
vpxenc.c
View File

@ -47,6 +47,7 @@
#include "y4minput.h"
#include "libmkv/EbmlWriter.h"
#include "libmkv/EbmlIDs.h"
#include "third_party/libyuv/include/libyuv/scale.h"
/* Need special handling of these functions on Windows */
#if defined(_MSC_VER)
@ -1642,6 +1643,7 @@ struct stream_state {
uint64_t cx_time;
size_t nbytes;
stats_io_t stats;
struct vpx_image *img;
vpx_codec_ctx_t decoder;
vpx_ref_frame_t ref_enc;
vpx_ref_frame_t ref_dec;
@ -2061,11 +2063,15 @@ static void validate_stream_config(struct stream_state *stream) {
static void set_stream_dimensions(struct stream_state *stream,
unsigned int w,
unsigned int h) {
if ((stream->config.cfg.g_w && stream->config.cfg.g_w != w)
|| (stream->config.cfg.g_h && stream->config.cfg.g_h != h))
fatal("Stream %d: Resizing not yet supported", stream->index);
stream->config.cfg.g_w = w;
stream->config.cfg.g_h = h;
if (!stream->config.cfg.g_w) {
if (!stream->config.cfg.g_h)
stream->config.cfg.g_w = w;
else
stream->config.cfg.g_w = w * stream->config.cfg.g_h / h;
}
if (!stream->config.cfg.g_h) {
stream->config.cfg.g_h = h * stream->config.cfg.g_w / w;
}
}
@ -2258,6 +2264,28 @@ static void encode_frame(struct stream_state *stream,
next_frame_start = (cfg->g_timebase.den * (int64_t)(frames_in)
* global->framerate.den)
/ cfg->g_timebase.num / global->framerate.num;
/* Scale if necessary */
if (img && (img->d_w != cfg->g_w || img->d_h != cfg->g_h)) {
if (!stream->img)
stream->img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420,
cfg->g_w, cfg->g_h, 16);
I420Scale(img->planes[VPX_PLANE_Y], img->stride[VPX_PLANE_Y],
img->planes[VPX_PLANE_U], img->stride[VPX_PLANE_U],
img->planes[VPX_PLANE_V], img->stride[VPX_PLANE_V],
img->d_w, img->d_h,
stream->img->planes[VPX_PLANE_Y],
stream->img->stride[VPX_PLANE_Y],
stream->img->planes[VPX_PLANE_U],
stream->img->stride[VPX_PLANE_U],
stream->img->planes[VPX_PLANE_V],
stream->img->stride[VPX_PLANE_V],
stream->img->d_w, stream->img->d_h,
kFilterBox);
img = stream->img;
}
vpx_usec_timer_start(&timer);
vpx_codec_encode(&stream->encoder, img, frame_start,
(unsigned long)(next_frame_start - frame_start),
@ -2518,6 +2546,9 @@ int main(int argc, const char **argv_) {
});
/* Update stream configurations from the input file's parameters */
if (!input.w || !input.h)
fatal("Specify stream dimensions with --width (-w) "
" and --height (-h)");
FOREACH_STREAM(set_stream_dimensions(stream, input.w, input.h));
FOREACH_STREAM(validate_stream_config(stream));