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avcodec/mediacodecenc: add bitrate_mode option 

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili 2022-12-07 17:31:17 +08:00
parent 0a0f2d1a8c
commit 2b5d1b423a
2 changed files with 26 additions and 1 deletions
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25
libavcodec/mediacodecenc.c
View File

@ -39,6 +39,17 @@
#define INPUT_DEQUEUE_TIMEOUT_US 8000
#define OUTPUT_DEQUEUE_TIMEOUT_US 8000
enum BitrateMode {
/* Constant quality mode */
BITRATE_MODE_CQ = 0,
/* Variable bitrate mode */
BITRATE_MODE_VBR = 1,
/* Constant bitrate mode */
BITRATE_MODE_CBR = 2,
/* Constant bitrate mode with frame drops */
BITRATE_MODE_CBR_FD = 3,
};
typedef struct MediaCodecEncContext {
AVClass *avclass;
FFAMediaCodec *codec;
@ -67,6 +78,8 @@ typedef struct MediaCodecEncContext {
int eof_sent;
AVFrame *frame;
int bitrate_mode;
} MediaCodecEncContext;
enum {
@ -193,6 +206,8 @@ static av_cold int mediacodec_init(AVCodecContext *avctx)
if (avctx->bit_rate)
ff_AMediaFormat_setInt32(format, "bitrate", avctx->bit_rate);
if (s->bitrate_mode >= 0)
ff_AMediaFormat_setInt32(format, "bitrate-mode", s->bitrate_mode);
// frame-rate and i-frame-interval are required to configure codec
if (avctx->framerate.num >= avctx->framerate.den && avctx->framerate.den > 0) {
s->fps = avctx->framerate.num / avctx->framerate.den;
@ -485,6 +500,16 @@ static const AVCodecHWConfigInternal *const mediacodec_hw_configs[] = {
OFFSET(use_ndk_codec), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE }, \
{ "codec_name", "Select codec by name", \
OFFSET(name), AV_OPT_TYPE_STRING, {0}, 0, 0, VE }, \
{ "bitrate_mode", "Bitrate control method", \
OFFSET(bitrate_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "bitrate_mode" }, \
{ "cq", "Constant quality mode", \
0, AV_OPT_TYPE_CONST, {.i64 = BITRATE_MODE_CQ}, 0, 0, VE, "bitrate_mode" }, \
{ "vbr", "Variable bitrate mode", \
0, AV_OPT_TYPE_CONST, {.i64 = BITRATE_MODE_VBR}, 0, 0, VE, "bitrate_mode" }, \
{ "cbr", "Constant bitrate mode", \
0, AV_OPT_TYPE_CONST, {.i64 = BITRATE_MODE_CBR}, 0, 0, VE, "bitrate_mode" }, \
{ "cbr_fd", "Constant bitrate mode with frame drops", \
0, AV_OPT_TYPE_CONST, {.i64 = BITRATE_MODE_CBR_FD}, 0, 0, VE, "bitrate_mode" }, \
#define MEDIACODEC_ENCODER_CLASS(name) \

2
libavcodec/version.h
View File

@ -30,7 +30,7 @@
#include "version_major.h"
#define LIBAVCODEC_VERSION_MINOR 55
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \